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CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $)
In Thousands, unless otherwise specified
 12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Cash flows from continuing operations      
Net loss from continuing operations $ (9,577) $ (20,922) $ (1,851)
Adjustments required to reconcile net loss to net cash provided by operating activities:      
Depreciation and amortization 17,559 18,672 19,524
Impairment of goodwill and other intangible assets    31,879 17,846
Gain from the sale of investment accounted for at cost       (3,034)
Stock-based compensation of options and RSUs related to employees and non- employees 2,268 1,934 1,498
Accrued severance pay, net (38) 88 (285)
Accrued interest and exchange rate differences on restricted cash and deposits, net 307 (209) 500
Exchange rate differences on long-term loans 157 90 (112)
Capital loss from disposal of property and equipment 48 43 234
Deferred income taxes (2,733) (3,656) (192)
Increase in trade receivables, net (4,228) (11,735) (2,264)
Decrease (increase) in other assets (including short-term, long-term and deferred charges) 10,740 (3,293) (4,893)
Decrease (increase) in inventories (6,502) 2,025 (5,244)
Increase (decrease) in trade payables (1,225) (727) 7,455
Increase (decrease) in accrued expenses (4,703) 250 1,762
Increase (decrease) in advances from customers held by trustees, net (4,448) 2,897 547
Increase (decrease) in other accounts payable and other long-term liabilities 18,772 2,621 (6,768)
Net cash provided by operating activities 16,397 19,957 24,723
Cash flows used in investing activities:      
Purchase of property and equipment (4,063) (3,965) (6,284)
Proceeds from sale of investment accounted for at cost       3,034
Investment in restricted cash (including long-term) (25,961) (903) (18,180)
Proceeds from restricted cash (including long-term) 2,975 3,355 17,391
Proceeds from working capital adjustment to subsidiary purchase price       1,465
Investment in restricted cash held by trustees (17,587) (35,442) (11,737)
Proceeds from restricted cash held by trustees 13,744 35,447 10,660
Purchase of intangible assets (16) (89) (38)
Net cash used in investing activities (30,908) (1,597) (3,689)
Cash flows used in financing activities:      
Exercise of stock options and issuance of restricted share units 581 254 27
Payment of obligation related to the purchase of intangible asset (500)      
Repayment of convertible subordinated notes    (14,322) (835)
Short-term bank credit, net (3,518) 546 842
Proceeds from long-term loans    10,000   
Repayment of long-term loans (12,950) (6,452) (1,225)
Net cash used in financing activities (16,387) (9,974) (1,191)
Cash flows from discontinued operations      
Net cash provided by (used in) operating activities (5,996) 1,614 (16,126)
Net cash provided by (used in) investing activities 15,791 999 (4,276)
Net cash provided by financing activities 12,884      
Net cash provided by (used in) discontinued operations 22,679 2,613 (20,402)
Effect of exchange rate changes on cash and cash equivalents (325) (262) (448)
Increase (decrease) in cash and cash equivalents (8,544) 10,737 (1,007)
Cash and cash equivalents at the beginning of the year 66,968 56,231 57,238
Cash and cash equivalents at the end of the year 58,424 66,968 56,231
Cash paid during the year for continuing operations:      
Interest 2,154 4,135 2,306
Income taxes 730 602 484
Non-cash transactions:      
Conversion of long-term convertible subordinated notes    52 9
Classification from inventories to property and equipment 3,778 2,050 1,997
Classification from property and equipment to inventories 691 858 110
Purchase of intangible assets    $ 1,505