CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
CASH FLOWS FROM OPERATING ACTIVITIES:
Net loss	$ (578)	$ (1,481)
Adjustments to reconcile net loss to net cash provided by operating activities:
Depreciation and amortization	1,258	910
Share-based compensation expense	2,046	2,221
Write-off of long-lived assets	19	17
Provision for bad debts	59	190
Noncash lease expenses	121	111
Interest expense	5
Changes in assets and liabilities:
Accounts receivable	(440)	314
Prepaid expenses and other current assets	(392)	(394)
Other noncurrent assets	2	63
Accounts payable	(101)	91
Accrued expenses and other current liabilities	(583)	(755)
Deferred revenue	(51)	79
Operating lease liabilities	(133)	(117)
Net cash provided by operating activities	1,232	1,249
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchase of property and equipment	(46)	(33)
Capitalized costs included in intangible assets	(1,247)	(1,538)
Net cash used in investing activities	(1,293)	(1,571)
Net decrease in cash and cash equivalents	(61)	(322)
Cash and cash equivalents at beginning of period	12,957	11,776
Cash and cash equivalents at end of period	12,896	11,454
SUPPLEMENTAL DISCLOSURE INFORMATION
Share-based compensation capitalized in intangible assets	$ 351	$ 588