Accounts Payable and Accrued Expenses - Schedule of Product Warranty Liability (Details) - USD ($)	9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015
Accounts Payable and Accrued Liabilities, Current [Abstract]
Accrued warranty reserve, beginning of period	$ 614,000	$ 942,000
Accrual for product warranties issued	387,000	371,000
Product replacements and other warranty expenditures	(245,000)	(162,000)
Expiration of warranties	(248,000)	(644,000)
Accrued warranty reserve, end of period	$ 508,000	$ 507,000