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 loss	$ (28,820)		$ (5,531)		$ (11,516)
Adjustments to reconcile net income (loss) to net cash used in operating activities:
Depreciation, amortization and impairment	20,295		22,208		17,812
Share-based compensation	5,786		3,908		2,623
Amortization of note payable issuance costs & discount	2,724		2,393		1,445
Unrealized gain on equity security	(486)		0		0
Realized (gain) loss on equity security	0		(405)		(506)
Change in contingent consideration for acquisitions	1,380		345		113
Provision for doubtful accounts receivable and allowances, net of recoveries	12,051		2,766		880
Deferred income taxes	3,581		8,108		(14,056)
Stock issued for charitable contribution	0		1,851		0
Changes in operating assets and liabilities, net of effects of acquisitions and dispositions:
Accounts receivable	(11,187)		(19,031)		(13,962)
Inventory	(1,261)		888		(2,184)
Prepaid expenses	(148)		(768)		3,269
Accounts payable	2,258		1,329		4,934
Accrued wages	(979)		1,489		(2,223)
Restructuring accrual	(1,297)		(782)		1,310
Other accrued liabilities	(556)		(4,866)		2,399
Deferred revenue	(422)		(4,524)		15,810
Other	(3,559)		(7,689)		(143)
Net cash (used in) provided by operating activities	(640)		1,689		6,005
Cash flows from investing activities:
Cash paid for acquisitions, net of cash acquired	(876)		(1,277)		(216,212)
Investment in securities	(240)		0		0
Purchases of property, equipment, and leasehold improvements	(2,174)		(1,976)		(1,492)
Cash received on sale of fixed assets	0		0		6,124
Change in restricted cash	(106)		940		(1,088)
Proceeds from sale of equity investment	0		405		606
Net cash used in investing activities	(3,396)		(1,908)		(212,062)
Cash flows from financing activities:
Proceeds from issuance of term notes	0		53,560		194,532
Proceeds from issuance of stock	0		0		41,750
Note and stock issuance costs paid	0		(1,528)		(9,897)
Proceeds from exercise of stock options and employee stock purchase plan	1,039		1,166		160
Principal payments on notes	(37)		(4,591)		0
Redemption and retirement of preferred stock	0		(41,750)		0
Principal payments on capital leases	(396)		(4)		(142)
Stock repurchases	0		0		(26)
Preferred stock dividends	0		(7,328)		0
Net cash (used in) provided by financing activities	606		(475)		226,377
Effect of exchange rates on cash and cash equivalents	(73)		(123)		0
Net (decrease) increase in cash and cash equivalents	(3,503)		(817)		20,320
Cash and cash equivalents (net of restricted cash), beginning of period	38,565	[1],[2],[3],[4]	39,382	[1],[2],[5]	19,062	[1],[6]
Cash and cash equivalents (net of restricted cash), end of period	35,062	[2],[4]	38,565	[1],[2],[3],[4]	39,382	[1],[2],[5]
Supplemental Disclosures of Cash Flow Information:
Cash paid for interest	29,654		25,723		11,956
Cash paid for income taxes, net of refunds	261		934		(123)
Non-Cash Investing and Financing Activities
Equity securities received in settlement of receivable	1,530		0		0
Value of Common Stock issued for acquisitions	7,029		34,802		4,615
Assets purchased under capital lease obligations	1,412		190		0
Assets purchased under lease line facility	$ 897		$ 0		$ 0

[1] Net of restricted cash of $1,647, $559, and $621 at December 31, 2011, 2010, and 2009, respectively.

[2] Net of restricted cash of $813, $707, and $1,647 at December 31, 2012, 2011 and 2010, respectively.

[3] Net of restricted cash of $707 at December 31, 2011.

[4] Net of restricted cash of $813 at December 31, 2012

[5] Net of restricted cash of $1,647 at December 31, 2010.

[6] Net of restricted cash of $559 at December 31, 2009.