Consolidated Statements of Cash Flows - USD ($)		12 Months Ended
		Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Cash flows from operating activities:
Net income		$ 24,783,000	$ 30,971,000	$ 31,800,000
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation, amortization and impairment	[1]	6,022,000	5,899,000	5,277,000
Reclassification of cumulative translation adjustment into earnings		(0)	0	2,569,000
Deferred income taxes	[1]	(664,000)	(1,121,000)	(1,729,000)
Reserve for uncertain tax positions	[1]	258,000	404,000	488,000
Loss on disposal of property and equipment		17,000	0	11,000
Non-cash share-based compensation expense	[1]	284,000	935,000	1,200,000
Change in fair value of contingent consideration		83,000	0	0
Change in assets and liabilities:
Trade accounts receivable		1,757,000	2,084,000	(733,000)
Prepaid expenses and other current and long-term assets		1,749,000	(1,767,000)	1,634,000
Operating lease assets and liability, net		(23,000)	(127,000)	(39,000)
Deferred contract costs, net		(109,000)	988,000	1,331,000
Accounts payable		(108,000)	184,000	(589,000)
Accrued expenses, wages and bonuses		202,000	(768,000)	(2,947,000)
Income taxes receivable and payable		155,000	795,000	6,000
Deferred revenue		219,000	(364,000)	(2,014,000)
Net cash provided by operating activities		34,625,000	38,113,000	36,265,000
Cash flows from investing activities:
Purchases of property and equipment		(15,448,000)	(15,779,000)	(9,835,000)
Acquisition consideration, net of cash acquired		(4,833,000)	0	0
Proceeds from the sale of property and equipment		0	1,000	0
Net cash used in investing activities		(20,281,000)	(15,778,000)	(9,835,000)
Cash flows from financing activities:
Payments on notes payable		(5,986,000)	(4,528,000)	(4,305,000)
Payment of debt issuance costs		(42,000)	(8,000)	(92,000)
Borrowings on notes payable		32,000,000	19,000,000	0
Borrowings on line of credit		49,500,000	15,000,000	0
Payments on line of credit		(49,500,000)	(15,000,000)	0
Payments on finance lease obligations		(21,000)	(290,000)	(469,000)
Proceeds from the exercise of stock options		0	584,000	0
Payment of payroll tax withholdings on share-based awards exercised		(317,000)	0	(190,000)
Payment of deferred acquisition consideration		0	0	(1,950,000)
Repurchase of shares for treasury		(30,945,000)	(19,099,000)	(27,616,000)
Payment of dividends on common stock		(11,453,000)	(36,366,000)	(20,961,000)
Net cash used in financing activities		(16,764,000)	(40,707,000)	(55,583,000)
Effect of exchange rate changes on cash		0	(1,000)	(182,000)
Net increase (decrease) in cash and cash equivalents		(2,420,000)	(18,373,000)	(29,335,000)
Cash and cash equivalents at beginning of period		6,653,000	25,026,000	54,361,000
Cash and cash equivalents at end of period		4,233,000	6,653,000	25,026,000
Supplemental disclosure of cash paid for:
Interest expense, net of capitalized amounts		2,440,000	803,000	1,227,000
Income taxes		8,225,000	8,932,000	12,233,000
Supplemental disclosure of non-cash investing and financing activities:
Purchase of property and equipment in accounts payable and accrued expenses		1,552,000	2,066,000	1,109,000
Stock tendered to the Company for cashless exercise of stock options in connection with equity incentive plans		1,752,000	1,241,000	311,000
Repurchase of shares for treasury in accounts payable and accrued expenses		311,000	152,000	0
Contingent consideration recorded in connection with acquisition	[1]	$ 776,000	$ 0	$ 0

[1] Other significant expenses are also included within the team expenses captions such as associate and other operating expenses.