Stock-based Compensation, Restricted Stock Units (Details) $ / shares in Units, $ in Thousands	3 Months Ended
	Mar. 31, 2022 USD ($) $ / shares shares
Unrecognized Compensation Expense [Abstract]
Unrecognized compensation expense | $	$ 35
Weighted average period of recognition	3 months 18 days
Restricted Stock Units [Member]
Number of shares [Abstract]
Unvested at beginning of period (in shares) | shares	90,540
Granted (in shares) | shares	9,141
Vested (in shares) | shares	(10,000)
Unvested at end of period (in shares) | shares	89,681
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	1.47
Vested (in dollars per share) | $ / shares	1.45
Unvested at end of period (in dollars per share) | $ / shares	$ 1.45