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BUSINESS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details) (USD $) In Thousands, unless otherwise specified | 12 Months Ended
--- | ---
Dec. 31, 2013 | Dec. 31, 2012
Activity in the allowance for doubtful accounts |  |
Beginning balance | $ 177 | $ 284
Allowance for doubtful accounts acquired | 460 |
Additional reserves | 164 | (25)
Write-offs | 1 | (82)
Ending balance | 802 | 177
Inventories |  |
Parts and raw materials | 20,649 | 13,174
Work-in-process | 3,369 | 1,504
Finished goods | 4,350 | 2,096
Inventory, gross | 28,368 | 16,774
Less reserves | (3,938) | (2,073)
Inventories, net | 24,430 | 14,701
Provision for excess and obsolete inventory | $ 105 | $ 265

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