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Summary of Significant Accounting Policies (Details Textual)	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2020 USD ($) Customer / Customers	Jun. 30, 2019 USD ($) Customer / Customers	Jun. 30, 2020 USD ($) Customer / Customers	Jun. 30, 2019 USD ($) Customer / Customers	Dec. 31, 2019 USD ($) Customer / Customers
Summary of Significant Accounting Policies (Textual)
Stock-based compensation	$ 74,000	$ 93,000	$ 214,000	$ 326,000
Goodwill	163,000		163,000		$ 163,000
Fair value exceeds the carrying value	163,000		163,000
Director [Member]
Summary of Significant Accounting Policies (Textual)
Stock-based compensation	$ 46,000	$ 0	$ 101,000	$ 131,000
Accounts receivable [Member]
Summary of Significant Accounting Policies (Textual)
Number of customers | Customer / Customers			1		3
Concentration risks			49.70%		67.80%
Credit and concentration risks, description			Customer was less than 10% of Gross Accounts Receivable at June 30, 2020.
Total Sales [Member]
Summary of Significant Accounting Policies (Textual)
Number of customers | Customer / Customers	2	3	2	3
Concentration risks	71.90%	75.60%	69.30%	74.70%
Credit and concentration risks, description	Customer was less than 10% of total net sales for the three months ended June 30, 2020.		Customer was less than 10% of total net sales for the six months ended June 30, 2020.
NTW [Member]
Summary of Significant Accounting Policies (Textual)
Goodwill	$ 163,000		$ 163,000		$ 163,000

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Identifies or describes the benchmark that serves as the denominator in the calculation of the percentage of concentration risk.

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