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CONSOLIDATED STATEMENTS OF CASH FLOWS (UNAUDITED) - USD ($)
$ in Thousands
 6 Months Ended
Jun. 30, 2022
Jun. 30, 2021
Cash flows from operating activities:    
Net income $ 1,357 $ 1,651
Adjustments to reconcile net income to net cash provided by operating activities:    
Depreciation and amortization 324 565
Bad debt expense 197 163
Deferred income taxes (63) (10)
Stock-based compensation expense 372 132
Changes in operating assets and liabilities:    
Decrease (increase) in accounts receivable (390) (1,262)
Decrease (increase) in other assets (245) (43)
Increase (decrease) in accounts payable (111) 454
Increase (decrease) in accrued expenses (194) (87)
Increase (decrease) in deferred revenue 397 518
Net cash provided by operating activities 1,644 2,081
Cash flows from investing activities:    
Capitalized software 0 161
Purchase of fixed assets (38) (40)
Net cash used in investing activities (38) (201)
Cash flows from financing activities:    
Exercise of stock options 58 219
Payment for stock repurchase and retirement (4,041) (452)
Net cash used in financing activities (3,983) (233)
Net change in cash and cash equivalents (2,377) 1,647
Cash - beginning 23,852 19,556
Currency translation adjustment (17) (44)
Cash and cash equivalents - ending 21,458 21,159
Supplemental disclosures:    
Cash paid for income taxes $ 643 $ 664