Condensed Consolidated Statements of Cash Flows - USD ($)	9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020
Cash flows from operating activities:
Net income	$ 11,322,000	$ 6,055,000
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation	1,809,000	1,830,000
Amortization of intangible assets	1,111,000	991,000
Non-cash lease expense	170,000	57,000
Stock compensation expense	1,341,000	929,000
Provision for bad debt	79,000	910,000
PPP loan forgiveness	(3,508,000)
Changes in operating assets and liabilities:
Accounts receivable	(9,060,000)	(7,293,000)
Inventories	1,678,000	(8,544,000)
Prepaid expenses and other current assets	(859,000)	121,000
Accounts payable	(959,000)	2,040,000
Other accrued liabilities	(145,000)	4,645,000
Total adjustments	(8,343,000)	(4,314,000)
Net cash provided by operating activities	2,979,000	1,741,000
Cash flows from investing activities:
Purchase of property, plant and equipment	(4,792,000)	(2,081,000)
Net cash used in investing activities	(4,792,000)	(4,155,000)
Cash flows from financing activities:
Net borrowings of long-term debt	1,687,000	(2,537,000)
Cash settlement of stock options	(211,000)	(805,000)
Repayments on mortgage	(200,000)	(200,000)
Proceeds from issuance of common stock	3,066,000	59,000
Distributions to shareholders	(1,329,000)	(1,201,000)
Purchase of treasury shares		(287,000)
Net cash provided by (used in) financing activities	3,013,000	(1,463,000)
Effect of exchange rate changes on cash and cash equivalents	(61,000)	86,000
Net change in cash and cash equivalents	1,139,000	(3,791,000)
Cash and cash equivalents at beginning of period	4,167,000	6,822,000
Cash and cash equivalents at end of period	5,306,000	3,031,000
Supplemental cash flow information:
Cash paid for income taxes	1,070,000	415,000
Cash paid for interest	$ 660,000	751,000
PPP Loan
Cash flows from financing activities:
Proceeds from PPP Loan		3,508,000
First Aid Central
Cash flows from investing activities:
Acquisition of First Aid Central		$ (2,074,000)