Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Cash flows from operating activities:
Net income	$ 2,106	$ 686
Adjustments to reconcile net income to net cash provided by operating activities:
Bad debt expense	304	753
Depreciation and amortization	1,348	1,667
Deferred income taxes	312	(528)
Non-cash interest expense	19	25
Stock-based compensation expense	273	523
Gain on extinguishment of debt	(80)	0
Changes in operating assets and liabilities:
Decrease (increase) in accounts receivable	(761)	(1,210)
Decrease (increase) in other assets	177	362
Increase (decrease) in accounts payable	37	(117)
Increase (decrease) in deferred revenue	391	559
Increase (decrease) in accrued expenses and other liabilities	260	144
Net cash provided by operating activities	4,386	2,864
Cash flows from investing activities:
Purchase of fixed assets	(27)	(420)
Purchase of acquired businesses (See Note 4)	0	(2,788)
Capitalized software	0	(20)
Net cash used in investing activities	(27)	(3,228)
Cash flows from financing activities:
Payment for stock repurchase and retirement (see Note 7)	(785)	(773)
Payment on notes payable	(240)	(320)
Proceeds from exercise of stock options, net of income taxes	451	0
Net cash used in financing activities	(574)	(1,093)
Net change in cash	3,785	(1,457)
Cash - beginning	15,766	17,222
Currency translation adjustment	5	1
Cash - ending	19,556	15,766
Supplemental disclosures:
Cash paid for income taxes	458	340
Non-cash activities:
Right-of-use assets obtained in exchange for lease liabilities	$ 0	$ 2,856