Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($)	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Cash flows from operating activities:
Net income	$ 6,359,000	$ 6,964,000
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	1,447,000	1,394,000
Deferred income taxes	(246,000)	(377,000)
Reserve for uncertain tax positions	133,000	124,000
Non-cash share-based compensation expense	(36,000)	304,000
Net changes in assets and liabilities:
Trade accounts receivable	1,251,000	242,000
Prepaid expenses and other current assets	(1,620,000)	(4,117,000)
Deferred contract costs, net	199,000	206,000
Operating lease assets and liabilities, net	(22,000)	(32,000)
Accounts payable	(151,000)	171,000
Accrued expenses, wages and bonuses	2,491,000	(97,000)
Income taxes receivable and payable	1,872,000	2,273,000
Deferred revenue	360,000	698,000
Net cash provided by operating activities	12,037,000	7,753,000
Cash flows from investing activities:
Purchases of property and equipment	(4,138,000)	(3,199,000)
Net cash used in investing activities	(4,138,000)	(3,199,000)
Cash flows from financing activities:
Payments on notes payable	(1,621,000)	(1,114,000)
Borrowings on line of credit	13,000,000	0
Payments on line of credit	(6,000,000)	0
Payments on finance lease obligations	(11,000)	(115,000)
Proceeds from the exercise of share-based awards	0	301,000
Payment of payroll tax withholdings on share-based awards exercised	(317,000)	0
Repurchase of shares for treasury	(14,999,000)	(1,972,000)
Payment of dividends on common stock	(2,906,000)	(2,956,000)
Net cash used in financing activities	(12,854,000)	(5,856,000)
Effect of exchange rate changes on cash and cash equivalents	1,000	0
Change in cash and cash equivalents	(4,954,000)	(1,302,000)
Cash and cash equivalents at beginning of period	6,653,000	25,026,000
Cash and cash equivalents at end of period	1,699,000	23,724,000
Supplemental disclosure of cash paid for:
Interest expense, net of capitalized amounts	521,000	329,000
Income taxes	78,000	27,000
Supplemental disclosure of non-cash investing and financing activities:
Stock tendered to the Company for cashless exercise of stock options in connection with equity incentive plans	1,752,000	0
Purchase of property and equipment in accounts payable and accrued expenses	2,664,000	1,507,000
Repurchase of shares for treasury in accounts payable and accrued expenses	$ 152,000	$ 11,000