Consolidated Statements of Stockholder's Equity (Unaudited) - USD ($) $ in Thousands |
Total |
LPC [Member] |
December 2019 Financing [Member] |
October 2018 Financing [Member] |
Common stock [Member] |
Common stock [Member]
Series B Convertible Preferred Stock [Member]
|
Preferred stock [Member] |
Preferred stock [Member]
Series B Convertible Preferred Stock [Member]
|
Additional paid-in capital [Member] |
Additional paid-in capital [Member]
Series B Convertible Preferred Stock [Member]
|
Additional paid-in capital [Member]
LPC [Member]
|
Additional paid-in capital [Member]
December 2019 Financing [Member]
|
Additional paid-in capital [Member]
October 2018 Financing [Member]
|
Accumulated other comprehensive income (loss) [Member] |
Accumulated deficit [Member] |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Beginning Balance at Dec. 31, 2018 | $ 15,802 | $ 18 | $ 41,161 | $ 4 | $ (25,381) | ||||||||||
Beginning Balance, Shares at Dec. 31, 2018 | 6,721,117 | 579 | |||||||||||||
Restricted stock unit settlements, Shares | 133 | 83 | |||||||||||||
Stock-based compensation expense | $ 290 | 290 | |||||||||||||
Adjustments to final October 2018 financing costs | $ 4 | $ 4 | |||||||||||||
Cumulative adjustment on adoption of lease standard | ASU 2016-02 [Member] | (3) | (3) | |||||||||||||
Net loss | (5,904) | (5,904) | |||||||||||||
Ending Balance at Mar. 31, 2019 | 10,189 | $ 18 | 41,455 | 4 | (31,288) | ||||||||||
Ending Balance, Shares at Mar. 31, 2019 | 6,721,200 | 579 | |||||||||||||
Beginning Balance at Dec. 31, 2019 | $ 18,050 | $ 41 | 63,709 | 4 | (45,704) | ||||||||||
Beginning Balance, Shares at Dec. 31, 2019 | 29,485,178 | 1,121 | |||||||||||||
Restricted stock unit settlements, Shares | 0 | ||||||||||||||
Stock-based compensation expense | $ 302 | 302 | |||||||||||||
Costs relating to financing and purchase agreement | $ (13) | $ (34) | $ (13) | $ (34) | |||||||||||
Shares issued on conversion of preferred shares | $ 2 | $ (2) | |||||||||||||
Shares issued on conversion of preferred shares, Shares | 1,867,586 | (1,121) | |||||||||||||
Net loss | (3,320) | (3,320) | |||||||||||||
Ending Balance at Mar. 31, 2020 | $ 14,985 | $ 43 | $ 63,962 | $ 4 | $ (49,024) | ||||||||||
Ending Balance, Shares at Mar. 31, 2020 | 31,352,764 |