v3.22.4
Condensed Consolidated Balance Sheets (Unaudited) (Parenthetical) - USD ($)
$ in Thousands
Mar. 31, 2022
Dec. 31, 2021
Common stock, par value $ 0.0001 $ 0.0001
Common stock, shares authorized 100,000,000 100,000,000
Common stock, shares issued 14,147,945 12,973,145
Common stock, shares outstanding 14,147,945 12,973,145
Series A Redeemable Convertible Preferred Stock [Member]    
Redeemable convertible preferred stock, par value $ 0.0001 $ 0.0001
Redeemable convertible preferred stock, shares authorized 10,000,000 10,000,000
Redeemable convertible preferred stock, shares issued 100,000 100,000
Redeemable convertible preferred stock, shares outstanding 100,000 100,000
Accrued and undeclared dividends $ 143 $ 134
Redeemable convertible preferred stock, liquidation preference $ 443 $ 434
Series B Redeemable Convertible Preferred Stock [Member]    
Redeemable convertible preferred stock, par value $ 0.0001 $ 0.0001
Redeemable convertible preferred stock, shares authorized 3,075,000 3,075,000
Redeemable convertible preferred stock, shares issued 2,050,000 2,050,000
Redeemable convertible preferred stock, shares outstanding 2,050,000 2,050,000
Accrued and undeclared dividends $ 1,242 $ 1,090
Redeemable convertible preferred stock, liquidation preference $ 7,392 $ 7,240
Series C Redeemable Convertible Preferred Stock [Member]    
Redeemable convertible preferred stock, par value $ 0.0001  
Redeemable convertible preferred stock, shares authorized 1  
Redeemable convertible preferred stock, shares issued 1  
Redeemable convertible preferred stock, shares outstanding 1  
Accrued and undeclared dividends $ 0  
Redeemable convertible preferred stock, liquidation preference $ 0  
Redeemable Common Stock [Member]    
Redeemable common stock, redemption value 2,240,000 2,240,000