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CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY - USD ($)
shares in Thousands, $ in Thousands
Total
Common Stock
Additional Paid-In Capital
Accumulated Deficit
Non-controlling Interest
Beginning balance (in shares) at Dec. 31, 2021   34,410      
Beginning balance at Dec. 31, 2021 $ 54,009 $ 34 $ 66,221 $ (12,551) $ 305
Increase (Decrease) in Stockholders' Equity [Roll Forward]          
Shares issued on stock options exercises for cash (in shares)   24      
Shares issued on stock options exercises for cash 152   152    
Stock based compensation 1,650   1,650    
Shares issued on net settlement of stock options (in shares)   19      
Net loss (5,968)     (5,945) (23)
Ending balance (in shares) at Mar. 31, 2022   34,453      
Ending balance at Mar. 31, 2022 49,843 $ 34 68,023 (18,496) 282
Beginning balance (in shares) at Dec. 31, 2022   34,598      
Beginning balance at Dec. 31, 2022 37,793 $ 35 73,282 (35,735) 211
Increase (Decrease) in Stockholders' Equity [Roll Forward]          
Stock based compensation 1,367   1,367    
Proceeds received from issuance of warrants 586   586    
Net loss (3,532)     (3,483) (49)
Ending balance (in shares) at Mar. 31, 2023   34,598      
Ending balance at Mar. 31, 2023 $ 36,214 $ 35 $ 75,235 $ (39,218) $ 162