Condensed Consolidated Statements of Cash Flows - USD ($)	6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020
Cash flows from operating activities:
Net income	$ 9,277,000	$ 4,476,000
Adjustments to reconcile net income to net cash provided by (used in) operating activities:
Depreciation	1,176,000	1,125,000
Amortization of intangible assets	742,000	659,000
Non-cash lease expense	43,000	47,000
Stock compensation expense	886,000	602,000
Provision for bad debt	54,000	619,000
PPP loan forgiveness	(3,508,000)
Changes in operating assets and liabilities:
Accounts receivable	(9,072,000)	(8,598,000)
Inventories	2,007,000	(4,675,000)
Prepaid expenses and other current assets	(593,000)	(414,000)
Accounts payable	346,000	1,961,000
Other accrued liabilities	(1,215,000)	1,845,000
Total adjustments	(9,134,000)	(6,829,000)
Net cash provided by (used in) operating activities	143,000	(2,353,000)
Cash flows from investing activities:
Purchase of property, plant and equipment	(3,351,000)	(1,323,000)
Net cash used in investing activities	(3,351,000)	(3,397,000)
Cash flows from financing activities:
Net borrowings of long-term debt	782,000	2,502,000
Cash settlement of stock options	(211,000)	(560,000)
Repayments on mortgage	(133,000)	(133,000)
Proceeds from issuance of common stock	2,698,000
Distributions to shareholders	(871,000)	(800,000)
Purchase of treasury shares		(287,000)
Net cash provided by financing activities	2,265,000	4,230,000
Effect of exchange rate changes on cash and cash equivalents	16,000	(63,000)
Net change in cash and cash equivalents	(927,000)	(1,583,000)
Cash and cash equivalents at beginning of period	4,167,000	6,822,000
Cash and cash equivalents at end of period	3,240,000	5,239,000
Supplemental cash flow information:
Cash paid for income taxes	952,000	371,000
Cash paid for interest	$ 440,000	548,000
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)