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Consolidated Statements Of Cash Flows (USD $)
In Thousands, unless otherwise specified
 12 Months Ended
Dec. 31, 2011
Dec. 31, 2010
Cash flows from operating activities:    
Net income (loss) $ 7,907 $ (10,204)
Loss from discontinued operations (528) (496)
Income (loss) from continuing operations 8,435 (9,708)
Adjustments to reconcile net income (loss) to net cash provided by operating activities:    
Depreciation and amortization 14,216 14,724
Deferred income taxes 508 604
Non-cash compensation 979 1,062
Deferred revenue recognized (6,884) (6,112)
Deferred loan costs recognized 172 382
Write-off of debt issuance costs 277 0
Gain on sale of assets (4,523) (902)
Provision for excess and obsolete inventory 945 (1,871)
Other noncash items (2,545) 1,631
Contributions to pension plans (753) (821)
Changes in operating assets and liabilities:    
Accounts receivable (1,509) (3,261)
Inventory (4,302) 660
Other current assets 564 3,626
Accounts payable 11,747 3,138
Accrued and other liabilities (335) (1,231)
Net cash provided by operating activities - continuing operations 16,992 1,921
Net cash used in operating activities - discontinued operations 0 (196)
Net cash provided by operating activities 16,992 1,725
Cash flows from investing activities:    
Capital expenditures (6,848) (2,233)
Proceeds from sale of assets 5,032 1,446
Changes in nonoperating assets and liabilities 33 46
Net cash used in investing activities (1,783) (741)
Cash flows from financing activities:    
Repayment of former Revolving Credit Agreement (10,000) 0
Repayment of former Senior Notes (13,305) 0
Net proceeds from Credit Facility 10,000 0
Payments for deferred loan costs (387) 0
Proceeds from issuance of common stock 64 0
Net cash used in financing activities (13,628) 0
Net increase in cash and cash equivalents 1,581 984
Cash and cash equivalents at beginning of year 16,592 15,608
Cash and cash equivalents at end of year $ 18,173 $ 16,592