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CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (DEFICIT) - USD ($)
$ in Thousands
Total
Common Stock [Member]
Additional Paid-in Capital [Member]
Accumulated Deficit [Member]
Beginning balance, value at Dec. 31, 2021 $ (93,621) $ 9 $ 957,730 $ (1,051,360)
Beginning balance, shares at Dec. 31, 2021   8,598,000    
Shares issued for vested restricted stock units (in shares)   71,000    
Share-based compensation 2,062   2,062  
Net loss (49,021)     (49,021)
Ending balance, value at Mar. 31, 2022 (140,580) $ 9 959,792 (1,100,381)
Ending balance, shares at Mar. 31, 2022   8,669,000    
Beginning balance, value at Dec. 31, 2022 $ 35,143 $ 9 974,497 (939,363)
Beginning balance, shares at Dec. 31, 2022 9,498,000 9,498,000    
Shares issued for vested stock compensation and warrants $ 1 $ 1    
Shares issued for vested stock compensation and warrants , shares   455,000    
Share-based compensation 483   483  
Net loss (3,603)     (3,603)
Ending balance, value at Mar. 31, 2023 $ 32,024 $ 10 $ 974,980 $ (942,966)
Ending balance, shares at Mar. 31, 2023 9,548,000 9,953,000