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Critical Accounting Policy (Details)	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2019 USD ($)	Jun. 30, 2018 USD ($)	Jun. 30, 2019 USD ($)	Jun. 30, 2018 USD ($)	Dec. 31, 2018 USD ($)
Accounting Policies [Abstract]
Number of Reporting Units			2
Deferred Tax Assets, Net, Noncurrent	$ 1,153,000		$ 1,153,000
Defined Benefit Plan, Net Periodic Benefit Cost (Credit)	(24,000)	$ (12,000)	(48,000)	$ (24,000)
Postemployment Benefits Liability	8,067,000		8,067,000		$ 8,076,000
Self Insurance Reserve	1,144,000		1,144,000		960,000
Goodwill, Impairment Loss			0		$ 2,403,000
Reporting Unit, Percentage of Fair Value in Excess of Carrying Amount					23.00%
Asset Impairment Charges			0
Inventory Valuation Reserves	885,000		885,000		$ 957,000
Allowance for Doubtful Accounts Receivable	61,000		61,000		25,000
Deferred Tax Liabilities, Net	1,153,000		1,153,000
Accounts Receivable, Allowance for Chargebacks	$ 2,169,000		$ 2,169,000		$ 2,344,000

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