Summary of Significant Accounting Policies (Details 2) (USD $)	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013	Dec. 31, 2013
Property and Equipment
Gross Property and Equipment	$ 5,786,000		$ 5,786,000		$ 5,697,000
Accumulated depreciation and amortization	(4,182,000)		(4,182,000)		(3,944,000)
Net Property and Equipment	1,604,000		1,604,000		1,753,000
Depreciation expense	157,000	174,000	312,000	348,000
Production tooling, machinery and equipment
Property and Equipment
Gross Property and Equipment	3,847,000		3,847,000		3,826,000
Office furniture and fixtures
Property and Equipment
Gross Property and Equipment	260,000		260,000		260,000
Computer equipment and software
Property and Equipment
Gross Property and Equipment	916,000		916,000		896,000
Web site
Property and Equipment
Gross Property and Equipment	65,000		65,000		65,000
Leasehold improvements
Property and Equipment
Gross Property and Equipment	616,000		616,000		616,000
Construction in-progress
Property and Equipment
Gross Property and Equipment	$ 82,000		$ 82,000		$ 34,000