Condensed Statements of Stockholders' Equity - USD ($) |
Common Shares [Member] |
Common Stock Issuable [Member] |
Additional Paid-in Capital [Member] |
Accumulated Deficit [Member] |
Class A Common Shares [Member] |
Total |
|---|---|---|---|---|---|---|
| Balances at Dec. 31, 2018 | $ 3,000 | $ 1,748,000 | $ 105,451,000 | $ (95,397,000) | $ 1,000 | $ 11,806,000 |
| Balances (in Shares) at Dec. 31, 2018 | 27,076,154 | 7,000,000 | ||||
| Issuance of common shares, net of offering costs - At-the-market offering | $ 0 | 0 | 355,000 | 0 | $ 0 | 355,000 |
| Issuance of common shares, net of offering costs - At-the-market offering (in Shares) | 90,269 | 0 | ||||
| Stock-based compensation expense | $ 0 | 0 | 798,000 | 0 | $ 0 | 798,000 |
| Stock-based compensation expense (in Shares) | 713,000 | 0 | ||||
| Issuance of common shares - Founders Agreement | $ 0 | (1,748,000) | 1,757,000 | 0 | $ 0 | 9,000 |
| Issuance of common shares - Founders Agreement (in Shares) | 962,682 | 0 | ||||
| Exercise of warrants | $ 0 | 0 | 0 | 0 | $ 0 | 0 |
| Exercise of warrants (in Shares) | 39,651 | 0 | ||||
| Net loss | $ 0 | 0 | 0 | (5,890,000) | $ 0 | (5,890,000) |
| Balances at Mar. 31, 2019 | $ 3,000 | 0 | 108,361,000 | (101,287,000) | $ 1,000 | 7,078,000 |
| Balances (in Shares) at Mar. 31, 2019 | 28,881,756 | 7,000,000 | ||||
| Balances at Dec. 31, 2019 | $ 5,000 | 2,510,000 | 136,442,000 | (120,111,000) | $ 1,000 | 18,847,000 |
| Balances (in Shares) at Dec. 31, 2019 | 47,004,764 | 7,000,000 | ||||
| Stock-based compensation expense | $ 0 | 0 | 639,000 | 0 | $ 0 | 639,000 |
| Stock-based compensation expense (in Shares) | 931,000 | 0 | ||||
| Exercise of warrants | $ 0 | 0 | 13,000 | 0 | $ 0 | 13,000 |
| Exercise of warrants (in Shares) | 102,742 | 0 | ||||
| Net loss | $ 0 | 0 | 0 | (3,281,000) | $ 0 | (3,281,000) |
| Balances at Mar. 31, 2020 | $ 5,000 | $ 2,510,000 | $ 137,094,000 | $ (123,392,000) | $ 1,000 | $ 16,218,000 |
| Balances (in Shares) at Mar. 31, 2020 | 48,038,506 | 7,000,000 |