Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Operating activities:
Net (loss) income	$ (4,539)	$ 742
Adjustments to reconcile net loss to net cash provided by operating activities:
Depreciation, amortization and accretion	2,146	2,359
Deferred income tax expense	790	517
Stock-based compensation	1,182	528
Provision for doubtful accounts, service credits and other	18	374
Changes in assets and liabilities:
Accounts receivable	2,441	(4,791)
Prepaid expenses, inventory, and other assets	964	2,216
Accounts payable, accrued liabilities and other	(1,143)	(2,525)
Deferred revenue	(542)	1,803
Net cash provided by operating activities	1,317	1,223
Investing activities:
Purchase of property and equipment	(1,049)	(1,287)
Capitalized software development	(1,705)	0
Purchase of short-term investments	(14,888)	(14,824)
Maturity of short-term investments	15,000	0
Net cash used in investing activities	(2,642)	(16,111)
Financing activities:
Cash distributions to stockholders	(2,629)	(2,647)
Purchase of common stock (including commissions)	0	(1,810)
Purchase of common stock for tax withholding on vested equity awards	(903)	(1,011)
Net cash used in financing activities	(3,532)	(5,468)
Effect of exchange rate on cash	(220)	(60)
Net decrease in cash and cash equivalents	(5,077)	(20,416)
Cash and cash equivalents, beginning of period	47,361	83,343
Cash and cash equivalents, end of period	42,284	62,927
Supplemental disclosure:
Income taxes paid	$ 0	$ 80