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CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $)
In Thousands, unless otherwise specified
 12 Months Ended
Dec. 31, 2011
Dec. 31, 2010
Dec. 31, 2009
Cash flow from operating activities:      
Net income (loss) $ 3,910 $ (747) $ 7,313
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:      
Depreciation and amortization 3,414 3,703 3,713
Provision for (recovery of ) doubtful accounts (423) (341) 1,364
Stock-based compensation 815 256 204
Deferred income taxes (767) (1,617) (607)
Pension costs 501 382 223
Loss on sale of equipment     176
Changes in operating assets and liabilities:      
Accounts receivable (12,894) 3,693 912
Prepaid expenses and other current assets (13) 61 (353)
Other assets (668) (735) (234)
Accounts payable 673 (406) 208
Accrued expenses 371 (101) (247)
Accrued salaries, wages and related benefits 1,726 (152) (267)
Income and other taxes 375 862 (310)
Net cash provided by (used in) operating activities (2,980) 4,858 12,095
Cash flows from investing activities:      
Capital expenditures (5,886) (1,872) (2,168)
Sale (purchase) of investments - others 8,047 (13,875)  
Net cash provided by (used in) investing activities 2,161 (15,747) (2,168)
Cash flows from financing activities:      
Payment of long-term obligations (585) (699) (784)
Proceeds from exercise of stock options     3,462
Purchase of treasury stock (1,327) (772)  
Net cash provided by (used in) financing activities (1,912) (1,471) 2,678
Increase (decrease) in cash and cash equivalents (2,731) (12,360) 12,605
Cash and cash equivalents, beginning of year 14,120 26,480 13,875
Cash and cash equivalents, end of year 11,389 14,120 26,480
Supplemental disclosures of cash flow information:      
Cash paid for income taxes 1,079 308 2,194
Vendor financed software licenses acquired $ 1,325