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Other Current Assets (Details) - USD ($)
$ in Thousands
Dec. 31, 2015
Dec. 31, 2014
Current assets    
Prepaid expenses $ 600 $ 584
Advances to suppliers 220 361
Deposits for operating leases 203 113
Due from Government institutions 182 1,013
Other 507 311
Other current assets $ 1,712 $ 2,382