Consolidated Statements of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income (loss)	$ 5,317	$ 16,424
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Stock-based compensation	5,218	8,086
Depreciation and amortization	8,917	9,622
Changes in value of life insurance policies	5,310	1,501
Deferred income taxes	530	2,732
Gain on sale of business	0	(1,012)
Other non-cash items	(485)	(1,170)
Changes in assets and liabilities:
Accounts receivable	(2,202)	(10,013)
Inventories	(6,827)	480
Prepaid expenses and other current assets	(2,903)	(4,084)
Other assets	(1,019)	(3,479)
Accounts payable	5,062	6,536
Accrued expenses	(681)	(7,795)
Unearned revenues	(1,238)	953
Other liabilities	(9,104)	(1,308)
Net cash provided by operating activities	5,895	17,473
CASH FLOWS FROM INVESTING ACTIVITIES:
Capital expenditures	(5,493)	(5,657)
Patents and other intangibles	(42)	(146)
Proceeds from sale of assets	281	276
Proceeds from insurance recovery	583	0
Net proceeds on life insurance policies	2,074	1,636
Proceeds from sale of business, net of cash sold	240	513
Net cash provided by (used in) investing activities	(2,357)	(3,378)
CASH FLOWS FROM FINANCING ACTIVITIES:
Repayment of long-term debt	(31,000)	(119,000)
Proceeds from long-term debt	29,000	68,000
Proceeds from issuance of common shares	0	60,000
Transaction costs on the issuance of common shares	0	(861)
Dividends paid	(926)	(909)
Repurchase of common shares	(2,166)	(1,031)
Other financing activities	(1)	(483)
Net cash provided by (used in) financing activities	(5,093)	5,716
NET CHANGE IN CASH AND CASH EQUIVALENTS	(1,555)	19,811
CASH AND CASH EQUIVALENTS, beginning of period	17,703	13,806
CASH AND CASH EQUIVALENTS, end of period	16,148	33,617
Supplemental disclosures of cash flow information:
Cash payments for interest	4,359	5,489
Cash payments for income taxes	$ 6,966	$ 5,069