Consolidated Statements of Cash Flows (USD $) In Thousands	6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010
Cash flows from operating activities
Net (loss) income	$ 6,872	$ (130,153)
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Depreciation and amortization of intangibles	3,092	2,620
Amortization of deferred financing costs	270	426
Deferred income taxes	848	56
Stock based compensation	3,113	5,541
Goodwill impairment	0	130,000
Changes in assets and liabilities:
Accounts receivable	344	(1,638)
Inventories	941	(92)
Income taxes receivable	0	1,131
Prepaid expenses and other current assets	(2,665)	(8,337)
Prepaid taxes	(246)	(1,252)
Accounts payable and accrued expenses	197	7,215
Net cash provided by operating activities	12,766	5,517
Cash flows from investing activities
Purchase of property and equipment	(1,207)	(784)
Patent defense costs	(353)	(101)
Net cash (used in) investing activities	(1,560)	(885)
Cash flows from financing activities
Proceeds from issuance of long term debt	1,627	4,000
Repayment of debt	(1,627)	(7,643)
Payments for loan costs	(1,633)	(21)
Purchase of treasury stock	(5,147)	(4,995)
Net cash (used in) financing activities	(6,780)	(8,659)
Net decrease in cash for the period	4,426	(4,027)
Cash - Beginning of period	3,840	7,538
Cash - End of period	8,266	3,511
Cash paid during the period for:
Income taxes	5,826	4,590
Interest	$ 1,258	$ 1,914