Condensed Consolidated Statements of Cash Flows - USD ($)	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Cash flows from operating activities:
Net income	$ 830,000	$ 2,046,000
Adjustments to reconcile net income to net cash used in operating activities:
Depreciation	652,000	584,000
Amortization of intangible assets	374,000	375,000
Non-cash lease expense		43,000
Stock compensation expense	400,000	306,000
Provision for bad debt		29,000
Amortization of deferred financing costs	6,000
Changes in operating assets and liabilities:
Accounts receivable	(389,000)	(4,634,000)
Inventories	(7,139,000)	1,175,000
Prepaid expenses and other current assets	(1,143,000)	(787,000)
Accounts payable	1,885,000	774,000
Other accrued liabilities	(955,000)	(247,000)
Total adjustments	(6,309,000)	(2,382,000)
Net cash used in operating activities	(5,479,000)	(336,000)
Cash flows from investing activities:
Purchase of property, plant and equipment	(518,000)	(1,480,000)
Net cash used in investing activities	(518,000)	(1,480,000)
Cash flows from financing activities:
Net borrowings of long-term debt	7,114,000	1,859,000
Cash settlement of stock options	(108,000)
Repayments on mortgage	(98,000)	(67,000)
Proceeds from issuance of common stock		182,000
Distributions to shareholders	(458,000)	(436,000)
Net cash provided by financing activities	6,450,000	1,538,000
Effect of exchange rate changes on cash and cash equivalents	11,000	(32,000)
Net change in cash and cash equivalents	464,000	(310,000)
Cash and cash equivalents at beginning of period	4,843,000	4,167,000
Cash and cash equivalents at end of period	5,307,000	3,857,000
Supplemental cash flow information:
Cash paid for income taxes		45,000
Cash paid for interest	$ 286,000	$ 218,000