Earnings applicable to common stock and common stock shares used in the calculation of basic and diluted earnings per share are as follows: (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended				6 Months Ended
	Jun. 30, 2023	Mar. 31, 2023	Jun. 30, 2022	Mar. 31, 2022	Jun. 30, 2023	Jun. 30, 2022
Numerator: (in Thousands)
Net (loss) income	$ 333	$ (1,159)	$ 50	$ 62	$ (825)	$ 112
Denominator:
Weighted average number of basic shares outstanding	49,567,338		49,045,047		49,498,755	49,014,847
Weighted average additional shares assuming conversion of in-the-money stock options to common shares and assumed repurchase of common shares by the Company	569,000		1,963,000			1,976,000
Weighted average number of diluted common shares outstanding	50,136,338		51,008,047		49,498,755	50,990,847
Basic earnings per common share:
Net income (loss) per share – basic	$ 0.01		$ 0.00		$ (0.02)	$ 0.00
Diluted earnings per common share:
Net income (loss) per share – diluted	$ 0.01		$ 0.00		$ (0.02)	$ 0.00