Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020
Current assets:
Cash and cash equivalents	$ 12,440	$ 19,267
Accounts receivable, net of allowance of $435 and $93, respectively	7,135	5,507
Prepaid expenses	3,936	4,366
Other current assets	1,059	2,140
Total current assets	24,570	31,280
Property and equipment, net of accumulated depreciation of $6,204 and $6,252, respectively	9,982	11,418
Goodwill	134,759	156,582
Intangible assets, net of accumulated amortization of $15,159 and $18,631, respectively	44,834	58,999
Deferred tax assets	5,697	23,522
Other assets	8,521	8,642
Total assets	228,363	290,443
Current liabilities:
Current portion of long-term debt	12,600	19,037
Accounts payable	10,828	11,127
Deferred revenue	40,479	38,304
Accrued expenses and other current liabilities	26,738	28,429
Total current liabilities	90,645	96,897
Long-term debt, net of current portion	72,067	80,109
Deferred tax liabilities	6,382	993
Other liabilities	18,120	17,541
Total liabilities	187,214	195,540
Contingencies (Note 7)
Shareholders' Equity:
Common stock, €1.00 nominal value; 2,661,386 shares issued as of September 30, 2021 and December 31, 2020; 2,614,914 and 2,605,689 shares outstanding as of September 30, 2021 and December 31, 2020, respectively	3,064	3,064
Treasury stock, at €1.00 nominal value; 46,472 and 55,697 shares as of September 30, 2021 and December 31, 2020, respectively	(51)	(61)
Additional paid-in capital	222,523	220,852
Accumulated deficit	(190,469)	(132,248)
Accumulated other comprehensive income	6,082	3,296
Total shareholders' equity	41,149	94,903
Total liabilities and shareholders' equity	$ 228,363	$ 290,443