Net Earnings (Loss) per Share Applicable to Common Stockholders (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Numerator:
Net (loss) income	$ (4,183)	$ 1,727
Net (loss) income available to common stockholders	$ (4,183)	$ 1,727
Denominator:
Weighted average number of common shares outstanding	2,511,566	1,896,057
Earnings per basic share:
Net (loss) income	$ (1.67)	$ .91
Net (loss) income available to common stockholders	(1.67)	0.91
Numerator:
Net income (loss)	$ (4,183)	$ 1,727
Net (loss) income available to common stockholders	$ (4,183)	$ 1,727
Denominator:
Weighted average basic shares outstanding,	2,511,566	1,896,057
Weighted average effect of dilutive securities
Convertible preferred stock		688
Weighted average diluted shares outstanding	2,511,566	1,896,745
Earnings per diluted share:
Net (loss) income	$ (1.67)	$ 0.91
Net (loss) income available to common stockholders	(1.67)	0.91