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Discontinued Operations - Schedule of Assets and Liabilities Related to Discontinued Operations (Details) - USD ($)
$ in Thousands
Dec. 31, 2015
Sep. 29, 2015
Dec. 31, 2014
Cash and cash equivalents $ 172   $ 4,821
Other current assets 1,877   1,813
Total assets 24,330   29,543
Accounts payable 3,296   2,187
Other current liabilities $ 2,796   3,028
U.S. Seismic Systems, Inc [Member] | Discontinued Operations [Member]      
Cash and cash equivalents   52
Other current assets   91
Total assets   143
Short-term bank credit   $ 999 1,460
Accounts payable   1,029 1,006
Accrued payroll, payroll taxes and social benefits   90 346
Other current liabilities   1,721 1,881
Total liabilities   $ 3,839 $ 4,693