Quarterly report pursuant to Section 13 or 15(d)

Liquidity (Details Textual)

v3.10.0.1
Liquidity (Details Textual) - USD ($)
$ in Thousands
Jun. 30, 2018
Dec. 31, 2017
Jun. 30, 2017
Dec. 31, 2016
Accumulated deficit $ (31,621) $ (31,979)    
Cash and cash equivalents $ 933 $ 1,548 $ 1,541 $ 1,598