Stock-based Compensation, Stock Options (Details) - Stock Options [Member] - USD ($) $ / shares in Units, $ in Thousands		6 Months Ended
	Mar. 30, 2022	Jun. 30, 2022
Number of shares [Abstract]
Outstanding at beginning period (in shares)		3,938,613
Granted (in shares)		970,000
Exercised (in shares)		(15,000)
Forfeited and expired (in shares)		(348,899)
Outstanding at end of period (in shares)		4,544,714
Exercisable at end of period (in shares)		1,532,912
Vested and expected to vest (in shares)		4,544,714
Weighted average exercise price per share [Abstract]
Outstanding at beginning of period (in dollars per share)		$ 1.90
Granted (in dollars per share)		1.43
Exercised (in dollars per share)		1.29
Forfeited and expired (in dollars per share)		2.97
Outstanding at end of period (in dollars per share)		1.72
Exercisable at end of period (in dollars per share)		1.92
Vested and expected to vest (in dollars per share)		$ 1.72
Weighted average remaining contractual term [Abstract]
Outstanding		8 years 6 months
Exercisable		7 years 4 months 24 days
Vested and expected to vest		8 years 6 months
Weighted-average grant date fair value (in dollars per share)		$ 1.07
Unrecognized compensation expense		$ 3,090
Unrecognized compensation expense, weighted average period		2 years 6 months
Aggregate intrinsic value of options outstanding		$ 0
Aggregate intrinsic value of options exercisable		$ 0
Chief Executive Officer [Member]
Number of shares [Abstract]
Granted (in shares)	160,000