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v3.21.1

Preferred Stock (Details Narrative) - USD ($) $ / shares in Units, $ in Thousands |  | 3 Months Ended | 12 Months Ended
--- | --- | --- | ---
Feb. 12, 2016 | Mar. 31, 2021 | Mar. 31, 2020 | Dec. 31, 2020
Preferred stock, par value |  | $ 0.01 |  |
Series A convertible preferred stock, shares outstanding |  |  |  | 50,000
Redemption of series a preferred stock |  |  |  | $ (2,000)
Preferred stock, redemption price per share |  |  |  | $ 3.68
Preferred stock, redemption amount |  |  |  | $ 3,200
Preferred stock, liquidation preference, value |  |  |  | $ 3,600
Number of stock shares issued |  | 1,300,000 |  | 2,000,000
Number of shares issued, value |  |  | $ (1) |
Common Stock [Member] |  |  |  |
Issuance of shares for redemption of series a preferred stock |  |  |  | 328,000
Number of stock shares issued |  |  | (327) |
Number of shares issued, value |  |  |  |
Number of common stock issued upon conversion |  | 97,962 |  |
Series P Preferred Stock [Member] |  |  |  |
Preferred shares authorized |  | 50,000 |  |
Series A Convertible Preferred Stock [Member] |  |  |  |
Preferred stock, par value | $ 0.01 |  |  |
Liquidation preference per share | $ 40 |  |  |
Liquidation preference | $ 2,000 |  |  |
Preferred stock, dividend rate | 12.25% |  |  |
Number of shares converted | 1.33 |  |  |
Preferred stock issued upon conversion | 66,667 |  |  |
Number of common stock issued upon conversion |  |  | 79,334 |
Series A Convertible Preferred Stock [Member] | Mt. Emmons Mining Company [Member] |  |  |  |
Number of stock shares issued | 50,000 |  |  |
Number of shares issued, value | $ 2,000 |  |  |
Maximum [Member] |  |  |  |
Preferred shares authorized |  | 100,000 |  |

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- Definition The number of shares 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. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=123431023&loc=d3e4313-108586 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=123431023&loc=d3e4304-108586 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=123431023&loc=d3e4332-108586 + Details
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