XML 38 R24.htm IDEA: XBRL DOCUMENT v3.7.0.1
GENERAL (Details)
$ in Thousands
3 Months Ended 12 Months Ended
Mar. 31, 2017
USD ($)
subsidiary
Dec. 31, 2017
Dec. 31, 2016
USD ($)
Organization, Consolidation and Presentation of Financial Statements [Abstract]      
Number of wholly-owned subsidiaries | subsidiary 2    
Effects on Future Earnings and Cash Flows Resulting from Exit Plan [Line Items]      
Accumulated deficit | $ $ 112,903   $ 106,492
Maximum | Scenario, Forecast      
Effects on Future Earnings and Cash Flows Resulting from Exit Plan [Line Items]      
Expected reduction in operating expenses   30.00%