CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) (USD $) In Thousands	9 Months Ended
	Sep. 30, 2011	Sep. 30, 2010
CASH FLOWS PROVIDED BY OPERATING ACTIVITIES:
Net income	$ 3,502	$ 2,237
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	4,478	4,316
Provision for losses on accounts receivable	2,904	1,087
Loss on sale of equipment	13	5
Deferred and stock-based compensation	1,154	742
Deferred income taxes	1,876	1,286
Changes in operating assets and liabilities:
Accounts receivable	(3,248)	(7,880)
Inventories	(640)	(167)
Prepaid expenses	484	370
Other assets	(209)	5
Accounts payable and accrued expenses	(700)	2,975
Net cash provided by operating activities	9,614	4,976
CASH FLOWS USED IN INVESTING ACTIVITIES:
Purchase of building, equipment and improvements	(4,850)	(4,479)
Proceeds from the sale of equipment	0	2
Net cash used in investing activities	(4,850)	(4,477)
CASH FLOWS (USED IN) PROVIDED BY FINANCING ACTIVITIES:
Proceeds from line of credit	26,512	0
Payments on line of credit	(29,237)	0
Principal payments on long-term debt	0	(302)
Purchase of common stock for incentive plans	(1,705)	(289)
Net proceeds from the exercise of stock options	89	746
Payment of taxes from traded shares	(104)	0
Net cash (used in) provided by financing activities	(4,445)	155
INCREASE IN CASH AND CASH EQUIVALENTS	319	654
CASH AND CASH EQUIVALENTS AT BEGINNING OF PERIOD	1,285	4,165
CASH AND CASH EQUIVALENTS AT END OF PERIOD	1,604	4,819
Cash paid for:
Interest	57	2
Income taxes	275	47
Supplemental noncash activities:
Asset additions and related obligations in payables	$ 518	$ 153