Earnings (Loss) Per Common Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended								12 Months Ended
	Mar. 31, 2020	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2020	Mar. 31, 2019
Earnings Per Share [Abstract]
Net loss	$ (1,798)	$ (1,436)	$ (1,050)	$ (1,139)	$ (1,540)	$ (1,349)	$ (2,017)	$ (1,030)	$ (5,423)	$ (5,936)
Weighted average common shares outstanding – basic									3,699,278	3,698,534
Weighted average common shares outstanding – diluted									3,699,278	3,698,534
Earnings (Loss) Per Share, Basic (in dollars per share)	$ (0.49)	$ (0.39)	$ (0.28)	$ (0.31)	$ (0.42)	$ (0.36)	$ (0.55)	$ (0.28)	$ (1.47)	$ (1.60)
Earnings (Loss) Per Share, Diluted (in dollars per share)	$ (0.49)	$ (0.39)	$ (0.28)	$ (0.31)	$ (0.42)	$ (0.36)	$ (0.55)	$ (0.28)	$ (1.47)	$ (1.60)