Condensed Consolidated Balance Sheets (Unaudited) (Parenthetical) - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020
Redeemable common stock, redemption value	2,240,000	2,240,000
Common stock, par value	$ 0.0001	$ 0.0001
Common stock, shares authorized	100,000,000	100,000,000
Common stock, shares issued	12,972,815	12,972,815
Common stock, shares outstanding	12,972,815	12,972,815
Common stock subscribed and not yet issued	330	80
Series A Redeemable Convertible Preferred Stock [Member]
Preferred stock, par value	$ 0.0001	$ 0.0001
Preferred stock, shares authorized	10,000,000	10,000,000
Preferred stock, shares issued	100,000	100,000
Preferred stock, shares outstanding	100,000	100,000
Accrued and undeclared dividends	$ 125	$ 98
Preferred stock, liquidation preference	$ 425	$ 398
Series B Redeemable Convertible Preferred Stock [Member]
Preferred stock, par value	$ 0.0001	$ 0.0001
Preferred stock, shares authorized	3,075,000	3,075,000
Preferred stock, shares issued	2,050,000	2,050,000
Preferred stock, shares outstanding	2,050,000	2,050,000
Accrued and undeclared dividends	$ 935	$ 475
Preferred stock, liquidation preference	$ 7,085	$ 6,625