Condensed Consolidated Statements of Cash Flows - USD ($)	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Cash flows from operating activities:
Net income	$ 1,653,000	$ 1,636,000
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation	863,000	860,000
Amortization of intangible assets	638,000	605,000
Non-cash lease adjustment	(2,000)	(12,000)
Stock compensation expense	413,000	449,000
Provision for credit losses	8,000	112,000
Provision for excess and obsolete inventory	140,000
Amortization of deferred financing costs	10,000	9,000
Changes in operating assets and liabilities:
Accounts receivable	(2,468,000)	(6,774,000)
Inventories	(941,000)	(1,659,000)
Prepaid expenses and other assets	(725,000)	(590,000)
Accounts payable	(1,798,000)	(4,517,000)
Other accrued liabilities	(1,128,000)	(287,000)
Total adjustments	(4,990,000)	(11,804,000)
Net cash used in operating activities	(3,337,000)	(10,168,000)
Cash flows from investing activities:
Purchase of property, plant and equipment	(1,353,000)	(1,611,000)
Net cash used in investing activities	(1,353,000)	(1,611,000)
Cash flows from financing activities:
Net borrowings of long-term debt	2,816,000	10,183,000
Tax withholding on net share settlement of stock options		(35,000)
Cash settlement of stock options	(463,000)	(296,000)
Repayments on mortgage	(99,000)	(104,000)
Proceeds from issuance of common stock		323,000
Distributions to shareholders	(563,000)	(561,000)
Net cash provided by financing activities	1,691,000	9,510,000
Effect of exchange rate changes on cash and cash equivalents	46,000	(84,000)
Net change in cash and cash equivalents	(2,953,000)	(2,353,000)
Cash and cash equivalents at beginning of period	6,399,000	5,546,000
Cash and cash equivalents at end of period	3,446,000	3,193,000
Supplemental cash flow information:
Cash paid for income taxes	85,000	9,000
Cash paid for interest	$ 368,000	$ 385,000