CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Cash flows from operating activities attributable to continuing operations:
Net income and comprehensive income	$ 5,702	$ 5,187
Less: Loss from discontinued operations, net of tax	1,203	226
Net income from continuing operations	6,905	5,413
Adjustments to reconcile income from continuing operations to net cash provided by operating activities attributable to continuing operations:
Loss on disposal of fixed assets	127	28
Amortization of intangibles	25	62
Depreciation	998	654
Non-cash compensation expense	2,633	2,336
Excess tax benefit from stock-based award activity	(2,297)	(117)
Bad debt expense	255	179
Amortization of debt issuance costs	61	0
Changes in current assets and liabilities:
Accounts receivable	(7,148)	(6,164)
Prepaid and other current assets	(1,153)	(291)
Accounts payable, accrued expenses and other current liabilities	2,906	2,864
Income taxes payable	4,762	376
Net cash provided by operating activities attributable to continuing operations	8,074	5,340
Cash flows from investing activities attributable to continuing operations:
Capital expenditures	(2,154)	(1,154)
Acquisition of a business	0	(37)
Decrease in restricted cash	2,457	100
Net cash provided by (used in) investing activities attributable to continuing operations	303	(1,091)
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	(2,585)	(1,612)
Payment of equity offering costs	(23)	0
Payments of debt issuance costs	(8)	0
Excess tax benefit from stock-based award activity	2,297	117
Purchase of treasury stock	(40,499)	(218)
Dividends	0	(72)
Net cash used in financing activities attributable to continuing operations	(40,818)	(1,785)
Total cash (used in) provided by continuing operations	(32,441)	2,464
Net cash used in operating activities attributable to discontinued operations	(308)	(140)
Total cash used in discontinued operations	(308)	(140)
Net (decrease) increase in cash and cash equivalents	(32,749)	2,324
Cash and cash equivalents at beginning of period	206,975	86,212
Cash and cash equivalents at end of period	$ 174,226	$ 88,536