Summary of Significant Accounting Policies (Details Textual) - USD ($) $ in Thousands		12 Months Ended
	Apr. 07, 2020	Dec. 31, 2019	Dec. 31, 2018	Jan. 02, 2019
Summary of Significant Accounting Policies (Textual)
Amortization expense for intangible assets		$ 171	$ 171
Intangible asset amortization in 2020		171
Intangible asset amortization in 2021		171
Intangible asset amortization in 2022		15
Royalty expense		25	45
Amortization expense		$ 216	$ 209
Stock reissued from treasury		173	81
Weighted average remaining lease term		3 years 11 months 26 days
Weighted average discount rate, percentage		6.50%
Reduce annualized expenses		$ 2
Outstanding amount		2,705
Additional availability		800
Additional debt or equity financing		$ 500
Office Equipment [Member] | Minimum [Member]
Summary of Significant Accounting Policies (Textual)
Property, plant and equipment, estimated useful lives		3 years
Office Equipment [Member] | Maximum [Member]
Summary of Significant Accounting Policies (Textual)
Property, plant and equipment, estimated useful lives		5 years
Furniture and Fixtures [Member] | Minimum [Member]
Summary of Significant Accounting Policies (Textual)
Property, plant and equipment, estimated useful lives		5 years
Furniture and Fixtures [Member] | Maximum [Member]
Summary of Significant Accounting Policies (Textual)
Property, plant and equipment, estimated useful lives		7 years
Machinery and Equipment [Member] | Minimum [Member]
Summary of Significant Accounting Policies (Textual)
Property, plant and equipment, estimated useful lives		6 years
Machinery and Equipment [Member] | Maximum [Member]
Summary of Significant Accounting Policies (Textual)
Property, plant and equipment, estimated useful lives		10 years
Building Improvements [Member] | Minimum [Member]
Summary of Significant Accounting Policies (Textual)
Property, plant and equipment, estimated useful lives		10 years
Building Improvements [Member] | Maximum [Member]
Summary of Significant Accounting Policies (Textual)
Property, plant and equipment, estimated useful lives		15 years
Manufacturing and Administrative Office Facility [Member]
Summary of Significant Accounting Policies (Textual)
Property, plant and equipment, estimated useful lives		40 years
License [Member]
Summary of Significant Accounting Policies (Textual)
Amortization expense		$ 45	$ 38
License [Member] | Minimum [Member]
Summary of Significant Accounting Policies (Textual)
Amortization of license fees, estimated useful life		1 year
License [Member] | Maximum [Member]
Summary of Significant Accounting Policies (Textual)
Amortization of license fees, estimated useful life		2 years
Customer Relationships [Member]
Summary of Significant Accounting Policies (Textual)
Intangible assets estimated useful lives, amortization		10 years
Proprietary Technology [Member]
Summary of Significant Accounting Policies (Textual)
Intangible assets estimated useful lives, amortization		10 years
Non-compete agreements [Member]
Summary of Significant Accounting Policies (Textual)
Intangible assets estimated useful lives, amortization		3 years
Operating Lease Liability [Member]
Summary of Significant Accounting Policies (Textual)
Right of use asset and liability				$ 290
Lease [Member]
Summary of Significant Accounting Policies (Textual)
Right of use asset and lease		$ 3,627
December 31, 2020 [Member]
Summary of Significant Accounting Policies (Textual)
Amortization expense for license fees		$ 20
Forecast [Member]
Summary of Significant Accounting Policies (Textual)
Additional availability	$ 400