Convertible Notes, Senior Secured Term Loans and Revolving Credit Facility (Narrative) (Details) - USD ($) |
1 Months Ended | 2 Months Ended | 12 Months Ended | ||||||||
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Dec. 02, 2018 |
Nov. 08, 2018 |
Nov. 05, 2018 |
Dec. 02, 2017 |
Mar. 31, 2019 |
Feb. 25, 2019 |
Feb. 25, 2019 |
Apr. 30, 2019 |
Apr. 30, 2018 |
Feb. 28, 2019 |
Feb. 29, 2012 |
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Debt Instrument [Line Items] | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Equity raise | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | $ 23,023,000 | Ìý | Ìý | |
Accrued interest | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | 135,115 | 79,853 | Ìý | Ìý |
Senior Secured Loans | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | $ 7,500,000 | Ìý | Ìý | |
Convertible Notes Payable [Member] | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Debt Instrument [Line Items] | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Convertible debt | Ìý | Ìý | Ìý | Ìý | Ìý | $ 1,000,000 | $ 1,000,000 | Ìý | Ìý | Ìý | Ìý |
Repayment of principal amount on convertible debt | $ 1,160,000 | Ìý | Ìý | Ìý | Ìý | 1,000,000 | Ìý | Ìý | Ìý | Ìý | Ìý |
Accrued interest | Ìý | Ìý | Ìý | Ìý | Ìý | $ 19,068 | 19,068 | Ìý | Ìý | Ìý | Ìý |
Settlement expense | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | 60,932 | Ìý | Ìý | Ìý | Ìý |
Senior Secured Loans | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | $ 10,000,000 | Ìý | Ìý | Ìý | Ìý |
Revolving Credit Facility [Member] | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Debt Instrument [Line Items] | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Upfront payment of facility fee | Ìý | Ìý | Ìý | Ìý | $ 10,000,000 | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Commitment fee percentage, payable quarterly | Ìý | Ìý | Ìý | Ìý | 1.00% | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
HEMG [Member] | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Debt Instrument [Line Items] | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Notes payable | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | $ 200,000 | Ìý |
2 Year Promissory Notes [Member] | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Debt Instrument [Line Items] | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Interest rate | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | 0.19% |
Debt conversion, price per share | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | $ 12.00 |
Convertible note payable Dated February 29, 2012 [Member] | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Debt Instrument [Line Items] | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Face value of loan | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | $ 50,000 |
Convertible Debt [Member] [Default Label] | USU [Member] | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Debt Instrument [Line Items] | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Interest rate | Ìý | Ìý | Ìý | 8.00% | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Debt conversion, price per share | Ìý | Ìý | Ìý | $ 2.00 | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Face value of loan | Ìý | Ìý | Ìý | $ 2,000,000 | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Debt maturity period | Ìý | Ìý | Ìý | 2 years | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Conversion of note into common share | Ìý | Ìý | Ìý | $ 1,000,000 | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Proceeds from convertible note issued | Ìý | Ìý | Ìý | $ 2,000,000 | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Credit Facility Agreement [Member] | Revolving Credit Facility [Member] | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Debt Instrument [Line Items] | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Line of credit, maximum borrowing capacity | Ìý | Ìý | $ 5,000,000 | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Interest rate | Ìý | Ìý | 12.00% | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Maturity date | Ìý | Ìý | Nov. 04, 2021 | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Upfront payment of facility fee | Ìý | Ìý | $ 100,000 | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Commitment fee percentage, payable quarterly | Ìý | Ìý | 2.00% | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Common stock issuable from warrants | Ìý | 92,049 | 92,049 | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Warrant exercise price | Ìý | $ 5.85 | $ 5.85 | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Warrant term | Ìý | 5 years | 5 years | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Fair value of warrants | Ìý | Ìý | $ 255,071 | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
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- Definition Term of warrants issued. No definition available.
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- Definition Exercise price per share or per unit of warrants or rights outstanding. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Number of securities into which the class of warrant or right may be converted. For example, but not limited to, 500,000 warrants may be converted into 1,000,000 shares. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition The value of the stock converted in a noncash (or part noncash) transaction. Noncash is defined as transactions during a period that do not result in cash receipts or cash payments in the period. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Including the current and noncurrent portions, carrying amount of debt identified as being convertible into another form of financial instrument (typically the entity's common stock) as of the balance sheet date, which originally required full repayment more than twelve months after issuance or greater than the normal operating cycle of the company. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition The price per share of the conversion feature embedded in the debt instrument. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Face (par) amount of debt instrument at time of issuance. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Contractual interest rate for funds borrowed, under the debt agreement. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
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- Definition Date when the debt instrument is scheduled to be fully repaid, in CCYY-MM-DD format. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. No definition available.
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- Definition Amount of gain (loss) recognized in settlement of litigation and insurance claims. Excludes claims within an insurance entity's normal claims settlement process. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Carrying value as of the balance sheet date of [accrued] interest payable on all forms of debt, including trade payables, that has been incurred and is unpaid. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer). Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of the fee for available but unused credit capacity under the credit facility. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition The fee, expressed as a percentage of the line of credit facility, for available but unused credit capacity under the credit facility. No definition available.
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- Definition Including the current and noncurrent portions, aggregate carrying amount of all types of notes payable, as of the balance sheet date, with initial maturities beyond one year or beyond the normal operating cycle, if longer. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition The cash inflow from the issuance of a long-term debt instrument which can be exchanged for a specified amount of another security, typically the entity's common stock, at the option of the issuer or the holder. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition The cash inflow from amounts received from issuance of long-term debt that is wholly or partially secured by collateral. Excludes proceeds from tax exempt secured debt. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition The cash inflow from the issuance of common stock, preferred stock, treasury stock, stock options, and other types of equity. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition The cash outflow from the repayment of a long-term debt instrument which can be exchanged for a specified amount of another security, typically the entity's common stock, at the option of the issuer or the holder. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Value of outstanding derivative securities that permit the holder the right to purchase securities (usually equity) from the issuer at a specified price. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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