CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Cash flows from operating activities attributable to continuing operations:
Net income and comprehensive income	$ 6,866	$ 5,702
Less: Loss from discontinued operations, net of tax	932	1,203
Net income from continuing operations	7,798	6,905
Adjustments to reconcile income from continuing operations to net cash provided by operating activities attributable to continuing operations:
Loss on disposal of fixed assets	273	127
Amortization of intangibles	2,609	25
Depreciation	1,703	998
Rental amortization of intangibles and depreciation	262	0
Non-cash compensation expense	2,230	2,633
Deferred income taxes	(3,307)	0
Change in fair value of contingent consideration	8,746	0
Bad debt expense	157	255
Amortization of debt issuance costs	61	61
Changes in current assets and liabilities:
Accounts receivable	(11,132)	(7,148)
Prepaid and other current assets	(269)	(1,153)
Accounts payable, accrued expenses and other current liabilities	6,086	2,906
Income taxes payable	1,641	4,762
Other, net	176	0
Net cash provided by operating activities attributable to continuing operations	16,682	10,371
Cash flows from investing activities attributable to continuing operations:
Capital expenditures	(1,896)	(2,154)
Decrease in restricted cash	9	2,457
Net cash (used in) provided by investing activities attributable to continuing operations	(1,887)	303
Cash flows from financing activities attributable to continuing operations:
Payments related to net-share settlement of stock-based compensation, net of proceeds from exercise of stock options	(95)	(2,585)
Proceeds from equity offering	0
Payment of equity offering costs		(23)
Payment of debt issuance costs	0	(8)
Purchase of treasury stock	0	(40,499)
Net cash used in financing activities attributable to continuing operations	(95)	(43,115)
Total cash provided by (used in) continuing operations	14,700	(32,441)
Net cash used in operating activities attributable to discontinued operations	(389)	(308)
Total cash used in discontinued operations	(389)	(308)
Net increase (decrease) in cash and cash equivalents	14,311	(32,749)
Cash and cash equivalents at beginning of period	91,131	206,975
Cash and cash equivalents at end of period	$ 105,442	$ 174,226