Stock-based Compensation, Stock Options (Details) - Stock Options [Member] - USD ($) $ / shares in Units, $ in Thousands		3 Months Ended	12 Months Ended
	Mar. 30, 2022	Mar. 31, 2023	Dec. 31, 2022
Number of shares [Abstract]
Outstanding at beginning period (in shares)		4,474,714
Granted (in shares)		0
Stock-based options forfeited (in shares)			60,000
Exercised (in shares)		0
Forfeited and expired (in shares)		(10,000)
Outstanding at end of period (in shares)		4,464,714	4,474,714
Exercisable at end of period (in shares)		2,623,841
Vested and expected to vest (in shares)		4,464,714
Weighted average exercise price per share [Abstract]
Outstanding at beginning of period (in dollars per share)		$ 1.72
Granted (in dollars per share)		0
Exercised (in dollars per share)		0
Forfeited and expired (in dollars per share)		1.45
Outstanding at end of period (in dollars per share)		1.72	$ 1.72
Exercisable at end of period (in dollars per share)		1.82
Vested and expected to vest (in dollars per share)		$ 1.72
Weighted average remaining contractual term [Abstract]
Outstanding		7 years 9 months 18 days
Exercisable		7 years 3 months 18 days
Vested and expected to vest		7 years 9 months 18 days
Unrecognized compensation expense		$ 1,639
Unrecognized compensation expense, weighted average period		2 years 1 month 6 days
Aggregate intrinsic value of options outstanding		$ 4
Aggregate intrinsic value of options exercisable		$ 0
Chief Executive Officer [Member]
Number of shares [Abstract]
Granted (in shares)	160,000