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Segment Information (Summary of reconciliation of segment operating results) (Details) - USD ($)
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]      
Income (loss) from operations $ (10,059,000) $ 5,136,000 $ 1,136,000
Share-based compensation expenses 270,000 308,000 380,000
Consolidated income (loss) before taxes (11,936,000) 3,916,000 (602,000)
Operating Segments [Member]      
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]      
Income (loss) from operations (8,573,000) 7,500,000 4,017,000
Unallocated general and administrative expenses 1,216,000 2,056,000 2,501,000
Share-based compensation expenses 270,000 308,000 380,000
Financial expenses 1,877,000 1,220,000 1,738,000
Consolidated income (loss) before taxes $ (11,936,000) $ 3,916,000 $ (602,000)