CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Current assets:
Cash and cash equivalents	$ 34,775	$ 34,258
Accounts receivable, net of allowance for doubtful accounts of $22 and $28 as of March 31, 2022 and December 31, 2021, respectively	4,561	3,736
Prepaid expenses and other current assets	1,081	599
Total current assets	40,417	38,593
Property and equipment, net	625	577
Intangible assets, net	28,804	28,181
Goodwill	5,227	5,227
Right-of-use assets	1,529	1,661
Other noncurrent assets	137	137
Total assets	76,739	74,376
Current liabilities:
Accounts payable	2,233	1,605
Accrued expenses and other current liabilities	442	395
Current portion of operating lease liabilities	636	617
Deferred revenue	713	841
Total current liabilities	4,024	3,458
Noncurrent operating lease liabilities	1,124	1,291
Deferred tax liabilities	373	198
Total liabilities	5,521	4,947
Shareholders' equity:
Preferred stock-$0.001 par value, 10,000,000 shares authorized, and 0 shares issued and outstanding, as of March 31, 2022 and December 31, 2021
Common stock-$0.001 par value, 200,000,000 shares authorized, 13,523,067 and 13,488,540 shares issued and outstanding, as of March 31, 2022 and December 31, 2021	14	13
Additional paid-in capital	93,115	91,434
Accumulated deficit	(21,911)	(22,018)
Total shareholders' equity	71,218	69,429
Total liabilities and shareholders' equity	$ 76,739	$ 74,376