Summary of Significant Accounting Policies (Details 1) - December 31, 2018 [Member] $ / shares in Units, $ in Thousands	1 Months Ended
	Dec. 31, 2018 USD ($) $ / shares shares
Total number of shares purchased	8,457
Total	8,457
Average price paid per share | $ / shares	$ 7.69
Total number of shares purchased as part of publicly announced program	8,457
Approximate dollar value of shares that may yet be purchased under the program | $	$ 2,935
Total | $	$ 2,935