Loss Per Share (Details) - Calculation of loss per share - USD ($)	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Numerator:
Net loss, as reported	$ (4,968,000)	$ (4,843,000)
Denominator:
Weighted average shares outstanding	13,580,000	13,696,000
Basic and diluted loss per share	$ (0.37)	$ (0.35)