Loss Per Share - Computation of Basic and Diluted Earnings (Loss) per Common Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Numerator:
Net loss	$ (1,898)	$ (832)
Denominator:
Basic weighted average shares outstanding (in shares)	23,969,148	23,955,767
Dilutive common stock equivalents using treasury stock method (in shares)	0	0
Diluted weighted average shares outstanding (in shares)	23,969,148	23,955,767
Basic loss per common share (in dollars per share)	$ (0.08)	$ (0.03)
Diluted loss per common share (in dollars per share)	$ (0.08)	$ (0.03)
Weighted average options, warrants and convertible portion of senior convertible notes outstanding (in shares)	6,420,553	6,368,420
Anti-dilutive options, warrants and convertible portion of senior convertible notes not included in the computation (in shares)	6,420,553	6,368,420