XML 77 R63.htm IDEA: XBRL DOCUMENT v3.3.1.900
Income taxes (Details) - USD ($)
$ in Thousands
Dec. 31, 2015
Dec. 31, 2014
Income Taxes [Abstract]    
U.S. federal tax loss carry-forward $ 14,229 $ 10,779
U.S. State tax loss carry-forward 1,137 1,498
U.S. federal capital loss carry-forward $ 188 $ 188
U.S. foreign tax credit carry-forward
Equity-based compensation, fixed assets and other $ 1,598
Total deferred tax assets $ 15,554 14,063
Less: valuation allowance $ (15,554) $ (14,063)
Net deferred tax asset