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Fair Value Measurement - Fair Value Measurements Change in Level 3 Inputs (Details) | 12 Months Ended
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Dec. 31, 2019 USD ($)
Fair value measurement, beginning balance | $ 9,142,000
Principal payments made on debentures | (6,000,000)
New secured convertible debentures | 1,845,512
Conversion of secured convertible debentures | (648,067)
Repayment of 2019 secured convertible notes | (123,457)
Change in fair value of secured convertible debentures and proceeds investment agreement | 3,877,821
Fair value measurement, ending balance | 8,093,809
2019 Secured Convertible Notes [Member] |
Fair value measurement, beginning balance |
Principal payments made on debentures |
New secured convertible debentures | 1,845,512
Conversion of secured convertible debentures | (648,067)
Repayment of 2019 secured convertible notes | (123,457)
Change in fair value of secured convertible debentures and proceeds investment agreement | 519,821
Fair value measurement, ending balance | 1,593,809
Proceeds Investment Agreement [Member] |
Fair value measurement, beginning balance | 9,142,000
Principal payments made on debentures | (6,000,000)
New secured convertible debentures |
Conversion of secured convertible debentures |
Repayment of 2019 secured convertible notes |
Change in fair value of secured convertible debentures and proceeds investment agreement | 3,358,000
Fair value measurement, ending balance | $ 6,500,000

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- Definition Amount of conversion of secured convertible debentures of financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. + References No definition available. + Details
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- Definition Fair nalue measurement with unobservable inputs reconciliation recurring basis liability repayment of debt. + References No definition available. + Details
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- Definition Amount of new secured convertible debentures of financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. + References No definition available. + Details
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- Definition Amount of increase (decrease) of financial instrument classified as a derivative asset (liability) after deduction of derivative liability (asset), measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19279-110258 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258 + Details
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