Consolidated Statements of Cash Flows - USD ($)	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Operating activities:
Net income	$ 13,655,679	$ 8,098,766
Adjustments to reconcile net income to net cash provided by operating activities
Depreciation	2,557,680	2,427,557
Amortization	1,490,894	1,324,423
Stock compensation expense	1,806,758	1,259,079
Deferred income taxes	489,059	60,937
Non-cash lease expense	158,250	86,042
Provision for doubtful accounts		778,869
Pension settlement		526,857
PPP Loan Forgiveness	(3,508,047)
Changes in operating assets and liabilities
Accounts receivable	(7,228,368)	(2,028,341)
Inventories	(3,209,330)	(10,049,513)
Prepaid expenses and other current assets	(1,040,319)	159,078
Accounts payable	1,497,258	460,179
Other accrued liabilities	(1,528,936)	2,617,103
Total adjustments	(8,515,101)	(2,377,730)
Net cash provided by operating activities	5,140,578	5,721,036
Investing activities:
Purchase of property, plant and equipment	(6,372,615)	(2,569,174)
Net cash used by investing activities	(6,372,615)	(13,951,902)
Financing activities:
Net (repayments) borrowings of long-term debt	(5,729,995)	5,526,760
Repayments on mortgage	(3,177,778)	(266,667)
Borrowing on mortgage	11,469,459
Distributions to stockholders	(1,792,356)	(1,604,706)
Cash settlement of stock options	(342,285)	(1,644,118)
Purchase of treasury stock	(1,473,444)	(286,988)
Issuance of common stock	3,089,045	58,754
Net cash provided by financing activities	2,042,646	5,291,082
Effect of exchange rate changes	(134,636)	285,277
Net increase (decrease) in cash and cash equivalents	675,973	(2,654,507)
Cash and cash equivalents at beginning of year	4,167,376	6,821,883
Cash and cash equivalents at end of year	4,843,349	4,167,376
Supplemental cash flow information:
Cash paid for income taxes	874,996	755,337
Cash paid for interest expense	$ 908,781	930,357
PPP Loan
Financing activities:
Proceeds from PPP Loan		3,508,047
Med-Nap, LLC
Investing activities:
Acquisition		(9,307,518)
First Aid Central
Investing activities:
Acquisition		$ (2,075,210)