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Inventory (Tables)

3 Months Ended

Mar. 31, 2019

Inventory Disclosure [Abstract]

Schedule of Inventory, Current [Table Text Block]

	March 31, 2019				December 31, 2018
Raw materials	$	16,646,000			$	17,278,000
Work in process	1,993,000				2,034,000
Finished goods	7,476,000				6,453,000
	$	26,115,000			$	25,765,000

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- References

No definition available.

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- Definition

Tabular disclosure of the carrying amount as of the balance sheet date of merchandise, goods, commodities, or supplies held for future sale or to be used in manufacturing, servicing or production process.

+ References

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-SubTopic 10
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