Convertible Notes and Revolving Credit Facility (Narrative) (Details) - USD ($) |
1 Months Ended | |||||||
---|---|---|---|---|---|---|---|---|
Mar. 06, 2019 |
Dec. 02, 2018 |
Nov. 05, 2018 |
Dec. 02, 2017 |
Feb. 25, 2019 |
Feb. 28, 2019 |
Jan. 31, 2019 |
Feb. 29, 2012 |
|
Convertible Notes Payable [Member] | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Debt Instrument [Line Items] | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Convertible debt | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | $ 1,000,000 | Ìý |
Repayment of principal amount on convertible debt | Ìý | $ 1,160,000 | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Convertible Notes Payable [Member] | Subsequent Event [Member] | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Debt Instrument [Line Items] | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Convertible debt | Ìý | Ìý | Ìý | Ìý | $ 2,000,000 | Ìý | Ìý | Ìý |
Repayment of principal amount on convertible debt | Ìý | Ìý | Ìý | Ìý | 1,000,000 | Ìý | Ìý | Ìý |
Line of credit, maximum borrowing capacity | Ìý | Ìý | Ìý | Ìý | $ 10,000,000 | Ìý | Ìý | Ìý |
Maturity date | Ìý | Ìý | Ìý | Ìý | Dec. 01, 2019 | Ìý | Ìý | Ìý |
Revolving Credit Facility [Member] | Subsequent Event [Member] | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Debt Instrument [Line Items] | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Line of credit, maximum borrowing capacity | $ 5,000,000 | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Interest rate | 12.00% | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Maturity date | Sep. 06, 2020 | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Upfront payment of facility fee | $ 10,000,000 | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Commitment fee percentage, payable quarterly | 1.00% | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
HEMG [Member] | Subsequent Event [Member] | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Debt Instrument [Line Items] | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Notes payable | Ìý | Ìý | Ìý | Ìý | Ìý | $ 200,000 | Ìý | Ìý |
2 Year Promissory Notes [Member] | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Debt Instrument [Line Items] | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Interest rate | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | 0.19% |
Debt conversion, price per share | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | $ 12.00 |
Convertible Promissory Note Dated February 29, 2012 [Member] | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Debt Instrument [Line Items] | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Face value of loan | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | $ 50,000 |
Convertible Debt [Member] | USU [Member] | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Debt Instrument [Line Items] | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Interest rate | Ìý | Ìý | Ìý | 8.00% | Ìý | Ìý | Ìý | Ìý |
Debt conversion, price per share | Ìý | Ìý | Ìý | $ 2.00 | Ìý | Ìý | Ìý | Ìý |
Debt maturity period | Ìý | Ìý | Ìý | 2 years | Ìý | Ìý | Ìý | Ìý |
Conversion of note into common share | Ìý | Ìý | Ìý | $ 1,000,000 | Ìý | Ìý | Ìý | Ìý |
Proceeds from convertible note issued | Ìý | Ìý | Ìý | $ 2,000,000 | Ìý | Ìý | Ìý | Ìý |
Credit Facility Agreement [Member] | Revolving Credit Facility [Member] | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Debt Instrument [Line Items] | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Line of credit, maximum borrowing capacity | Ìý | Ìý | $ 5,000,000 | Ìý | Ìý | Ìý | Ìý | Ìý |
Interest rate | Ìý | Ìý | 12.00% | Ìý | Ìý | Ìý | Ìý | Ìý |
Maturity date | Ìý | Ìý | Nov. 04, 2021 | Ìý | Ìý | Ìý | Ìý | Ìý |
Upfront payment of facility fee | Ìý | Ìý | $ 100,000 | Ìý | Ìý | Ìý | Ìý | Ìý |
Commitment fee percentage, payable quarterly | Ìý | Ìý | 2.00% | Ìý | Ìý | Ìý | Ìý | Ìý |
Common stock issuable from warrants | Ìý | Ìý | 92,049 | Ìý | Ìý | Ìý | Ìý | Ìý |
Warrant exercise price | Ìý | Ìý | $ 5.85 | Ìý | Ìý | Ìý | Ìý | Ìý |
Warrant term | Ìý | Ìý | 5 years | Ìý | Ìý | Ìý | Ìý | Ìý |
Fair value of warrants | Ìý | Ìý | $ 255,071 | Ìý | Ìý | Ìý | Ìý | Ìý |