(6) Inventories - Inventories (Details) - USD ($)	Mar. 31, 2018	Dec. 30, 2017	Apr. 01, 2017
Inventory Disclosure [Abstract]
Raw materials	$ 701,681		$ 478,567
Work in process	1,644,459		1,003,285
Finished goods	1,052,254		1,014,023
Gross inventory	3,398,394		2,495,875
Reserve for obsolescence	(386,362)		(386,362)
Inventories, net	$ 3,012,032	$ 2,109,513	$ 2,109,513

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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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Gross 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.

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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 of valuation reserve for inventory.

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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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