Summary of Significant Accounting Policies (Details Textual)	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2020 USD ($) Customer / Customers	Sep. 30, 2019 USD ($) Customer / Customers	Sep. 30, 2020 USD ($) Customer / Customers	Sep. 30, 2019 USD ($) Customer / Customers	Dec. 31, 2019 USD ($) Customer / Customers
Summary of Significant Accounting Policies (Textual)
Stock-based compensation	$ 52,000	$ 25,000	$ 266,000	$ 351,000
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	$ 58,000	$ 56,000	$ 159,000	$ 187,000
Accounts receivable [Member]
Summary of Significant Accounting Policies (Textual)
Number of customers | Customer / Customers					3
Concentration risks			63.60%		67.80%
Credit and concentration risks, description			Customer was less than 10% of accounts receivable sales at September 30, 2020.
Total Sales [Member]
Summary of Significant Accounting Policies (Textual)
Number of customers | Customer / Customers	3	2	3	3
Concentration risks	70.60%	61.70%	74.20%	73.40%
Credit and concentration risks, description		Customer was less than 10% of sales for the three months ended September 30, 2019.	Customer was less than 10% of sales for the nine months ended September 30, 2020 and 2019.
NTW [Member]
Summary of Significant Accounting Policies (Textual)
Goodwill	$ 163,000		$ 163,000		$ 163,000