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Significant Accounting Policies (Details) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Significant Accounting Policies (Textual) [Abstract]    
Equity and Noncontrolling interest 20.00%  
Noncontrolling interest member contributed $ 10  
Allowance for uncollectible accounts receivable 1,837 1,680
Inventory finished goods 6,042  
Inventory parts 533  
Inventory supplies 766  
Reserve for obsolete and damaged inventory 1,181 679
Open purchase commitments 2,070  
Advertising expense 95 72
Research and development expense 874 638
Company accrued unrecognized tax benefits, penalties and interest $ 67 $ 60