Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Current assets:
Cash and cash equivalents	$ 13,007	$ 16,141
Accounts receivable, net of allowance of $361 and $368, respectively	5,753	6,261
Prepaid expenses	4,395	3,201
Other current assets	886	1,085
Total current assets	24,041	26,688
Property and equipment, net of accumulated depreciation of $4,212 and $3,998, respectively	3,748	3,613
Goodwill	134,733	134,744
Intangible assets, net of accumulated amortization of $15,799 and $15,522, respectively	29,049	29,369
Deferred tax assets	7,471	7,623
Other assets	7,142	7,764
Total assets	206,184	209,801
Current liabilities:
Current portion of long-term debt	0	17,593
Accounts payable	2,098	11,474
Deferred revenue	35,299	36,973
Accrued expenses and other current liabilities	26,359	27,042
Total current liabilities	63,756	93,082
Long-term debt, net of current portion	94,282	64,531
Deferred tax liabilities	999	1,077
Other liabilities	18,192	18,418
Total liabilities	177,229	177,108
Contingencies (Note 6)
Shareholders' Equity:
Common stock, €1.00 nominal value; 3,521,005 shares authorized; 2,661,386 shares issued; 2,617,397 shares outstanding as of March 31, 2022 and December 31, 2021	3,064	3,064
Treasury stock, at €1.00 nominal value; 43,989 shares as of March 31, 2022 and December 31, 2021	(48)	(48)
Additional paid-in capital	223,605	223,103
Accumulated deficit	(205,752)	(200,403)
Accumulated other comprehensive income	8,086	6,977
Total shareholders' equity	28,955	32,693
Total liabilities and shareholders' equity	$ 206,184	$ 209,801