Borrowings (Tables)

12 Months Ended

Dec. 31, 2021

Borrowings [Abstract]

Schedule of finance lease obligations

	At December 31,
	2021		2020
Short-term debt:
Current portion of long-term debt	$	32	$	98
Total short-term debt	$	32	$	98
Long-term debt:
Finance lease obligations	$	-	$	79
Other unsecured promissory notes		-		692
Total		-		771
Less: current portion of long-term debt		32		98
Total long-term debt	$	-	$	673