Stock-based Compensation, Restricted Stock Units (Details) - Restricted Stock Units [Member] $ / shares in Units, $ in Thousands	6 Months Ended
	Jun. 30, 2022 USD ($) $ / shares shares
Number of shares [Abstract]
Unvested at beginning of period (in shares) | shares	90,540
Granted (in shares) | shares	28,003
Vested (in shares) | shares	(43,003)
Unvested at end of period (in shares) | shares	75,540
Weighted average grant date fair value [Abstract]
Unvested at beginning of period (in dollars per share) | $ / shares	$ 1.45
Granted (in dollars per share) | $ / shares	1.13
Vested (in dollars per share) | $ / shares	1.24
Unvested at end of period (in dollars per share) | $ / shares	$ 1.45
Unrecognized Compensation Expense [Abstract]
Unrecognized compensation expense | $	$ 6
Maximum [Member]
Unrecognized Compensation Expense [Abstract]
Weighted average period of recognition	1 month