Summary of Significant Accounting Policies - EPS (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended			6 Months Ended	9 Months Ended	12 Months Ended
	Jun. 30, 2020	Mar. 31, 2020	Dec. 31, 2019	Mar. 31, 2020	Jun. 30, 2020	Sep. 30, 2020	Sep. 30, 2019
Accounting Policies [Abstract]
Net loss	$ (210)	$ (732)	$ (540)	$ (1,272)	$ (1,482)	$ (1,446)	$ (371)
Net income (loss) attributable to common stockholders						$ (1,446)	$ (371)
Weighted average total shares outstanding - basic						4,028	3,924
Weighted average number of common shares outstanding – basic						4,028	3,924
Weighted average common shares outstanding – diluted						4,028	3,924
Net loss per share – basic	$ (0.05)	$ (0.18)	$ (0.14)	$ (0.32)	$ (0.37)	$ (0.36)	$ (0.09)
Net loss per share – diluted	$ (0.05)	$ (0.18)	$ (0.14)	$ (0.32)	$ (0.37)	$ (0.36)	$ (0.09)