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SEGMENT REPORTING Reconciliation of segment assets - other significant items (Details) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
Segment Reporting [Abstract]      
Depreciation and amortization - segments $ 1,270 $ 847 $ 578
Depreciation and amortization - adjustments 136 4 25
Depreciation and amortization 1,406 851 603
Stock compensation expense - segments 323 0 42
Stock compensation expense - adjustments 532 458 648
Total stock compensation expense 855 458 690
Expenditures for assets - segments 387 475 209
Expenditure for assets - adjustments 297 27 28
Payments to Acquire Property, Plant, and Equipment $ 684 $ 502 $ 237