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Consolidated Statements of Cash Flows (USD $)
In Thousands, unless otherwise specified
 9 Months Ended
Sep. 30, 2012
Sep. 30, 2011
Cash flows from operating activities:    
Net income $ 9,837 $ 1,756
Adjustments to reconcile net income to cash (used) provided by operating activities:    
Depreciation and amortization 417 379
Allowance for doubtful accounts 24 70
Value of share-based payment arrangements 60 66
Amortization of deferred finance costs 20 6
Deferred tax benefit 3,086 1,029
Changes in assets and liabilities:    
Trade accounts receivable (2,666) (2,920)
Inventories (16,948) 8,203
Prepaid and other assets (684) (1,424)
Accounts payable and accrued expenses (1,373) (3,333)
Income taxes payable 1,168 0
Cash (used) provided by operating activities (7,059) 3,832
Cash flows from investing activities:    
Additions to patents (20) (26)
Additions to property, plant, and equipment (636) (394)
Investment in joint venture (3) 0
Cash used by investing activities (659) (420)
Cash flows from financing activities:    
Purchase of common stock equivalents 0 (90)
Proceeds from issuance of common stock 160 0
Proceeds/(repayments) from short-term debt - net 5,369 (1,336)
Proceeds from issuance of long-term debt 4,387 0
Repayment of long-term debt (2,719) (723)
Cash provided (used) by financing activities 7,197 (2,149)
(Decrease) increase in cash and cash equivalents (521) 1,263
Cash and cash equivalents at beginning of period 3,958 3,926
Cash and cash equivalents at end of period 3,437 5,189
Supplemental disclosure of cash flow information:    
Cash paid during period for interest 511 688
Cash paid for income taxes $ 1,779 $ 48