INVENTORY (Details) - USD ($)	Jun. 30, 2018	Dec. 31, 2017	Dec. 30, 2017
Inventory Disclosure [Abstract]
Raw materials	$ 1,978,510		$ 2,070,153
Work-in-process	1,467,487		1,829,805
Finished goods	811,705		1,180,839
Inventory	$ 4,257,702	$ 3,998,168	$ 5,080,797

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Amount before valuation and LIFO reserves of completed merchandise or goods expected to be sold within one year or operating cycle, if longer.

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Amount after valuation and LIFO reserves of inventory expected to be sold, or consumed within one year or operating cycle, if longer.

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Amount before valuation and LIFO reserves of raw materials expected to be sold, or consumed within one year or operating cycle, if longer.

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Amount before valuation and LIFO reserves of merchandise or goods in the production process expected to be completed within one year or operating cycle, if longer.

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