Subsequent Events (Details Narrative) - USD ($) $ / shares in Units, $ in Thousands						12 Months Ended
	Jan. 23, 2019	Jan. 21, 2019	Jan. 15, 2019	Jan. 14, 2019	Jun. 05, 2017	Dec. 31, 2018	Dec. 31, 2017	[1]
Number of common stock for granted						10,000	272,090
Investor [Member]
Number of common stock sale					252,652
Sale of stock price per share					$ 40.50
Subsequent Event [Member] | Non-employee Directors [Member]
Number of common stock for granted		2,326
Subsequent Event [Member] | Securities Purchase Agreement [Member] | Investor [Member]
Number of common stock sale	250,000		590,000	330,000
Sale of stock price per share	$ 9.875		$ 10.00	$ 6.50
Proceeds from issuance and sale of stock	$ 2,470		$ 590
Subsequent Event [Member] | Securities Purchase Agreement [Member] | Investor [Member] | Pre-Funded Warrant [Member]
Warrant to purchase for common stock				125,323
Warrant price per share				$ 6.49
Proceeds from issuance and sale of stock				$ 3,000

[1] December 31, 2018 and 2017 option data represents the number of shares adjusted to retroactively reflect the 1:15 Reverse Split effected on September 4, 2018. Refer to Note 1 for further information.