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						9 Months Ended
	Sep. 30, 2022	Jun. 30, 2022	Mar. 31, 2022	Sep. 30, 2021	Jun. 30, 2021	Mar. 31, 2021	Sep. 30, 2022	Sep. 30, 2021
Numerator: (in Thousands)
Net (loss) income	$ (750)	$ 50	$ 62	$ 1,363	$ 41	$ 1,310	$ (638)	$ 2,714
Denominator:
Weighted average number of basic shares outstanding	49,174,673			48,566,431			49,068,709	43,756,300
Weighted average additional shares assuming conversion of in-the-money stock options to common shares	0			2,162,000			0	1,970,000
Weighted average number of diluted common shares outstanding	49,174,673			50,728,431			49,068,709	45,726,300
Basic earnings per common share:
Net (loss) income per share – basic	$ (0.02)			$ 0.03			$ (0.01)	$ 0.06
Diluted earnings per common share:
Net (loss) income per share – diluted	$ (0.02)			$ 0.03			$ (0.01)	$ 0.06