Divested Businesses (Details) - USD ($)	2 Months Ended	3 Months Ended		9 Months Ended		12 Months Ended
	Mar. 07, 2020	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019	Dec. 31, 2019
Divested Businesses [Abstract]
Disposal Group, Including Discontinued Operation, Accounts, Notes and Loans Receivable, Net	$ 4,129,000					$ 1,804,000
Disposal Group, Including Discontinued Operation, Revenue	5,331,000					30,261,000
Disposal Group, Including Discontinued Operation, Inter-Company Revenue	2,532,000					13,087,000
Disposal Group, Including Discontinued Operation, Earnings Before Taxes	445,000					853,000
Proceeds from sale of business				$ 14,563,000	$ 0
Gain on sale of business		$ 0	$ 0	9,790,000	$ 0
Disposal Group, Including Discontinued Operation, Payments for Divestiture Costs				1,789,000
Disposal Group, Including Discontinued Operation, Divestiture Costs Incurred				$ 2,150,000
Disposal Group, Including Discontinued Operation, Inventory	3,082,000					3,008,000
Disposal Group, Including Discontinued Operation, Other Assets	855,000					933,000
Disposal Group, Including Discontinued Operation, Property, Plant and Equipment	600,000					707,000
Disposal Group, Including Discontinued Operation, Operating Lease Right-of-Use Asset	2,127,000					1,870,000
ERROR in label resolution.	10,793,000					8,322,000
Disposal Group, Including Discontinued Operation, Accounts Payable	4,692,000					4,501,000
Disposal Group, Including Discontinued Operation, Accrued Liabilities	2,473,000					2,108,000
Disposal Group, Including Discontinued Operation, Accrued Income Tax Payable	41,000					92,000
Disposal Group, Including Discontinued Operation, Operating Lease, Liability, Current	366,000					393,000
Disposal Group, Including Discontinued Operation, Operating Lease, Liability, NonCurrent	1,019,000					1,754,000
Disposal Group, Including Discontinued Operation, Liabilities	$ 8,591,000					$ 8,848,000