XML 126 R92.htm IDEA: XBRL DOCUMENT v3.8.0.1
OPERATING COSTS BY NATURE - General and Administrative Expenses (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Analysis of income and expense [abstract]    
Salaries and benefits $ 9,029 $ 8,885
Share-based compensation 4,225 7,947
Consulting and professional fees 2,288 1,380
Travel expense 562 552
Rent expense 703 682
Insurance expense 569 658
Computer expenses 789 697
Depreciation and amortization 202 262
Shareholder and investor relations 323 234
Listing and filing fees 251 140
Directors fees and expenses 227 163
Other expenses 1,139 491
General and administrative expense $ 20,307 $ 22,091