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Bank Debt and Other Debt - Summary of Bank Debt and Other Debt (Details) - USD ($) $ in Thousands | Dec. 31, 2015 | Dec. 31, 2014
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Total bank debt and borrowings against receivables | $ 2,054 | $ 4,495
Less non-current portion |  | 76
Short-term bank credit and current maturities of long-term debt | $ 2,054 | 4,419
DSIT Line-of-credit [Member] |  |
Total bank debt and borrowings against receivables | 979 | 2,169
DSIT Borrowings Against Receivables [Member] |  |
Total bank debt and borrowings against receivables | $ 862 | 262
GridSense Line-of-Credit [Member] |  |
Total bank debt and borrowings against receivables |  | 1,480
GridSense Borrowings Against Receivables [Member] |  |
Total bank debt and borrowings against receivables | $ 138 | 379
DSIT Term Loan [Member] |  |
Total bank debt and borrowings against receivables | $ 75 | $ 205

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