Summary of Significant Accounting Policies (Details 1) - USD ($)	Jun. 30, 2017	Dec. 31, 2016
Property, Plant and Equipment [Line Items]
Gross Property and Equipment	$ 7,392,000	$ 6,723,000
Accumulated depreciation and amortization	(4,686,000)	(4,293,000)
Net Property and Equipment	2,706,000	2,430,000
Production tooling, machinery and equipment [Member]
Property, Plant and Equipment [Line Items]
Gross Property and Equipment	4,000,000	4,000,000
Office furniture and fixtures [Member]
Property, Plant and Equipment [Line Items]
Gross Property and Equipment	322,000	322,000
Computer equipment and software [Member]
Property, Plant and Equipment [Line Items]
Gross Property and Equipment	1,316,000	1,301,000
Leasehold improvements [Member]
Property, Plant and Equipment [Line Items]
Gross Property and Equipment	577,000	577,000
Construction in-progress [Member]
Property, Plant and Equipment [Line Items]
Gross Property and Equipment	$ 1,177,000	$ 523,000