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v3.21.1

Secured Notes to Related Party - Additional Information (Details) |  | 1 Months Ended | 3 Months Ended
--- | --- | --- | ---
Jul. 29, 2011 shares | Apr. 30, 2011 USD ($) Day shares | Mar. 31, 2021 USD ($) shares | Mar. 31, 2020 USD ($)
Debt Instrument [Line Items] |  |  |  |
Proceeds from convertible debt |  | $ 4,300,000 |  |
Amortization of debt discount |  |  | $ 502,000 | $ 310,000
Debt instrument, convertible, number shares of equity instruments | shares |  |  | 9,700,000 |
Convertible Notes |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Convertible debt issuable in connection with private placement |  | $ 4,500,000 |  |
Debt instrument, interest rate |  | 6.00% |  |
Debt instrument, maturity date |  | May 02, 2021 |  |
Debt instrument conversion ratio multiple of principal |  | $ 1,000 |  |
Beneficial ownership after conversion |  | 9.99% |  |
Notice period associated with beneficial ownership percentage limitation convertible notes | Day |  | 61 |  |
Common shares registered for resale in connection with convertible notes | shares | 3,500,000 |  |  |
Debt instrument, term |  | 10 years |  |
Paid-in-kind interest |  |  | $ 100,000 |
Debt instrument, additional debt discount |  |  | 100,000 |
Interest expense, debt, excluding amortization |  |  | 100,000 | 100,000
Amortization of debt discount |  |  | 500,000 | $ 200,000
Carrying value of debt |  |  | 7,600,000 |
Debt instrument, face amount |  |  | 7,700,000 |
Debt instrument, unamortized discount, total |  |  | $ 100,000 |
Convertible Notes | Common Stock |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt instrument, number of shares issued for convertible notes | shares |  | 1,250 |  |

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- Definition Amount of noncash expense included in interest expense to amortize debt discount and premium associated with the related debt instruments. Excludes amortization of financing costs. Alternate captions include noncash interest expense. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 1A -URI http://asc.fasb.org/extlink&oid=119993939&loc=d3e28541-108399 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3602-108585 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.8) -URI http://asc.fasb.org/extlink&oid=120395209&loc=SL114868664-224227 + Details
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- Definition Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (b)(1) -URI http://asc.fasb.org/extlink&oid=120520924&loc=SL6031897-161870 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(16)) -URI http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(22)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(16)) -URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878 + Details
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