Summary of Significant Accounting Policies (Details 1) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017
Numerator:
Net income (loss)	$ 1,727	$ (3,306)
Net income (loss) available to common stockholders	$ 1,727	$ (3,306)
Denominator:
Weighted average number of common shares outstanding,	8,058,165	5,538,568
Earnings per basic share:
Net loss	$ 0.21	$ (0.60)
Net (loss) income available to common stockholders	$ 0.21	$ (0.60)
Numerator:
Net income (loss)	$ 1,727	$ (3,306)
Net income (loss) available to common stockholders	$ 1,727	$ (3,306)
Denominator:
Weighted average basic shares outstanding,	8,058,165	5,538,568
Weighted average effect of dilutive securities
Employee stock options
Convertible preferred stock	2,926
Weighted average diluted shares outstanding	8,061,091	5,538,568
Earnings per diluted share:
Net income (loss)	$ 0.21	$ (0.60)
Net income (loss) available to common stockholders	$ 0.21	$ (0.60)