CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
CASH FLOWS FROM OPERATING ACTIVITIES
Net income	$ 28,095	$ 8,470	$ 1,226
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation	4,063	4,087	4,406
Amortization of intangible assets	1,523	829	564
Stock-based compensation expense	802	333	210
Deferred compensation expense	194	222	226
Provision for bad debts	340	738	108
Deferred income taxes	7,169	3,066	328
Reduction of tax valuation allowance	(15,570)	(3,048)	(311)
Gain on sale of fixed assets and acquisition of business	(238)	(244)	(2,866)
Stock warrants revaluation	1,731	699	(261)
Increase in cash surrender value of life insurance	(88)	(21)	(139)
Deferred financing amortization	543	995	1,535
Amortization of debt discount and bond costs	832	122	128
Interest paid-in-kind	0	116	625
Amortization of loss on interest rate swap agreements	0	677	318
Change in fair value of derivative financial instruments	0	(106)	(295)
Change in operating assets and liabilities, net of the effects of acquisitions:
Trade receivables	1,034	(3,334)	3,456
Inventories	(14,182)	(3,874)	(1,956)
Prepaid expenses and other	(47)	87	(307)
Accounts payable and accrued liabilities	5,188	2,467	1,313
Payments on deferred compensation obligations	(392)	(466)	(421)
Net cash provided by operating activities	20,997	11,815	7,887
CASH FLOWS FROM INVESTING ACTIVITIES
Capital expenditures	(7,895)	(2,436)	(1,356)
Proceeds from sale of property, equipment and facilities	34	101	8,416
Business acquisitions	(29,262)	(7,314)	(5,776)
Other	(99)	(91)	(97)
Net cash provided by (used in) investing activities	(37,222)	(9,740)	1,187
CASH FLOWS FROM FINANCING ACTIVITIES
Long-term debt borrowings (payments), net	16,930	(3,563)	(12,507)
Short-term debt borrowings (payments), net	(1,000)	1,000	5,750
Proceeds from life insurance policy loans	0	2,762	0
Payment on termination of interest rate swap agreements	0	(1,137)	0
Payment of deferred financing/debt issuance costs	(257)	(2,568)	(397)
Proceeds from exercise of stock options, including tax benefit	436	21	0
Other	0	3	(23)
Net cash provided by (used in) financing activities	16,109	(3,482)	(7,177)
Increase (decrease) in cash and cash equivalents	(116)	(1,407)	1,897
Cash and cash equivalents at beginning of year	550	1,957	60
Cash and cash equivalents at end of year	$ 434	$ 550	$ 1,957