Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Operating activities:
Net loss	$ (853)	$ (6,265)
Non-cash items in net loss:
Depreciation and amortization	7,792	2,696
Amortization of debt issuance costs	320	116
Employee stock-based compensation costs	1,991	1,229
Noncash lease costs	782	(4,385)
Changes in deferred taxes	(887)	(1,103)
Changes in operating assets and liabilities:
Receivables	(2,947)	(113)
Prepaid and other current assets	179	(1,004)
Deferred costs and other assets	(330)	(856)
Accounts payable	562	5,989
Deferred revenue	1,135	(212)
Earn-out payment		(385)
Accrued and other liabilities	(3,337)	3,876
Net cash provided by (used in) operating activities	4,407	(417)
Investing activities:
Purchases of property, equipment and internal-use software	(5,007)	(1,742)
Acquisition of business, net of cash acquired		(271,706)
Net cash used in investing activities	(5,007)	(273,448)
Financing activities:
Proceeds of long-term debt	6,000	175,000
Debt issuance cost		(6,389)
Proceeds from exercise of stock options	117	36
Repayment of long-term debt	(460)
Repayment of finance lease liabilities	(406)
Purchase of treasury shares	(1,785)	(1,340)
Earn-out payment		(415)
Net cash provided by financing activities	3,466	263,480
Effect of exchange rate on cash	80	(33)
Increase (decrease) in cash and cash equivalents	2,946	(10,418)
Cash and cash equivalents, beginning of period	13,349	27,109
Cash and cash equivalents, end of period	$ 16,295	16,691
Series A Convertible Preferred Stock [Member]
Financing activities:
Proceeds from issuance of preferred stock, net of offering costs		62,692
Series B Convertible Preferred Stock [Member]
Financing activities:
Proceeds from issuance of preferred stock, net of offering costs		$ 33,896