Fixed Assets - Summary (Details) - USD ($)	Jun. 30, 2019	Dec. 31, 2018
Fixed Assets
Machinery and equipment	$ 863,000	$ 853,000
Office furniture and equipment	193,000	186,000
Leasehold improvements	150,000	150,000
Right of use asset-operating leases	710,000	637,000
Accumulated depreciation and amortization	(1,532,000)	(1,369,000)
Property, Plant and Equipment, Net, Total	$ 384,000	$ 457,000

Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

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Amount before accumulated depreciation of equipment commonly used in offices and stores that have no permanent connection to the structure of a building or utilities. Examples include, but are not limited to, desks, chairs, tables, and bookcases.

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Amount before accumulated depreciation of additions or improvements to assets held under a lease arrangement.

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Amount before accumulated depreciation of tangible personal property used to produce goods and services, including, but is not limited to, tools, dies and molds, computer and office equipment.

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Amount after accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

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Amount before accumulated depreciation of physical assets used in the normal conduct of business to produce goods and services subject to or available for lease.

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