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CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($)
 3 Months Ended
Mar. 31, 2022
Mar. 31, 2021
OPERATING ACTIVITIES:    
Net income $ 2,332,000 $ 1,194,000
Adjustments to reconcile net income to cash provided by (used in) operating activities:    
Depreciation and amortization 1,020,000 997,000
Interest amortization of deferred financing costs 18,000 20,000
Stock-based compensation expense 526,000 621,000
Deferred income taxes, net 623,000 (8,000)
Operating lease assets and liabilities, net (76,000) 12,000
Working capital items:    
Accounts receivable and unbilled receivables (3,445,000) (4,072,000)
Prepaid and other current assets 699,000 108,000
Accounts payable 1,288,000 1,326,000
Accrued payroll and related costs (873,000) 508,000
Other accrued liabilities (448,000) 141,000
Deferred revenue (101,000) (73,000)
Net cash flows provided by operating activities 1,563,000 774,000
INVESTING ACTIVITIES:    
Recovery of (payment for) non-current deposits 84,000 (63,000)
Capital expenditures (730,000) (128,000)
Net cash flows (used in) investing activities (646,000) (191,000)
FINANCING ACTIVITIES:    
(Repayments) on term loan facility (1,100,000) (1,100,000)
Proceeds from exercise of stock options 893,000 101,000
Net cash flows (used in) financing activities (207,000) (999,000)
Effect of exchange rate changes on cash and cash equivalents (147,000) (19,000)
Net change in cash and cash equivalents 563,000 (435,000)
Cash and cash equivalents, beginning of period 6,622,000 7,677,000
Cash and cash equivalents, end of period $ 7,185,000 $ 7,242,000