CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014
Cash flows from operating activities:
Net (loss) income	$ (31,965)	$ 16,589
Adjustments to reconcile net (loss) income to net cash used in operating activities:
Depreciation and amortization	398	419
Gains on sales of fixed assets	(1)	(125)
Intangible impairment charge	0	576
Deferred income tax	0	(228)
Change in contingent consideration liability	900	1,400
Expenses for share-based compensation awards	2,705	2,875
Acquisition of subsidiary escrow shares returned	0	(82)
Changes in assets and liabilities:
(Increase) in accounts receivable	(1,410)	(38,788)
(Increase) in other current assets	(3,497)	(2,259)
(Increase) decrease in other assets	(1)	2,208
Increase (decrease) in accounts payable and accrued expenses	3,257	(473)
(Decrease) in other liabilities	(37)	(2)
Net cash used in operating activities	(29,651)	(17,890)
Cash flows from investing activities:
Capital expenditures	(274)	(327)
Proceeds from sales of fixed assets	46	128
Net cash used in investing activities	(228)	(199)
Cash flows from financing activities:
Proceeds from public offering of common stock, net of underwriting discounts and commissions and offering expenses	0	37,459
Proceeds from the exercise of stock options	1,015	0
Net cash provided by financing activities	1,015	37,459
Net (decrease) increase in cash and cash equivalents	(28,864)	19,370
Cash and cash equivalents at beginning of period	119,302	65,860
Cash and cash equivalents at end of period	$ 90,438	$ 85,230