Property and Equipment (Details) - USD ($)	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
Property, Plant and Equipment [Line Items]
Gross Property and Equipment	$ 6,723,000	$ 5,756,000
Accumulated depreciation and amortization	(4,293,000)	(4,172,000)
Net Property and Equipment	2,430,000	1,584,000
Depreciation expense	785,000	665,000
Machinery And Equipment [Member]
Property, Plant and Equipment [Line Items]
Gross Property and Equipment	4,000,000	3,722,000
Furniture And Fixtures [Member]
Property, Plant and Equipment [Line Items]
Gross Property and Equipment	322,000	145,000
Computer Equipment [Member]
Property, Plant and Equipment [Line Items]
Gross Property and Equipment	1,301,000	1,273,000
Leasehold Improvements [Member]
Property, Plant and Equipment [Line Items]
Gross Property and Equipment	577,000
Construction In Progress [Member]
Property, Plant and Equipment [Line Items]
Gross Property and Equipment	$ 523,000	$ 616,000