CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018
Cash flows from operating activities
Consolidated net (loss) income	$ (52,646)	$ 3,744
Adjustments to reconcile net (loss) income to net cash provided by operating activities:
Depreciation and amortization	6,541	5,872
Provision for allowances	1,962	2,371
Deferred income tax expense	31,425	1,868
Non-cash lease expense	2,524	0
Impairment charges	14,502	0
Equity compensation	1,535	1,383
Other non-cash costs	1,167	651
Changes in operating assets and liabilities:
Accounts receivable	13,651	8,808
Prepaid expenses and other assets	(27)	(999)
Accounts payable and accrued expenses	7,669	(4,930)
Operating lease liabilities	(2,832)
Other	(329)	(829)
Net cash provided by operating activities	25,142	17,939
Cash flows from investing activities
Acquisition-related settlements	(110)	(26)
Purchases of property and equipment	(1,564)	(2,289)
Net cash used in investing activities	(1,674)	(2,315)
Cash flows from financing activities
Principal payments on Term Loan	(12,500)	(2,500)
Stock repurchase and retirement	0	(4,700)
Other	(2,178)	(1,366)
Net cash used in financing activities	(14,678)	(8,566)
Effect of exchange rate changes on cash	21	(36)
Change in cash and cash equivalents	8,811	7,022
Cash and cash equivalents at beginning of period	16,019	25,537
Cash and cash equivalents at end of period	$ 24,830	$ 32,559