Accounts Payable and Accrued Expenses - Schedule of Accounts Payable and Accrued Liabilities (Details) - USD ($)	Dec. 31, 2018	Dec. 31, 2017
Payables and Accruals [Abstract]
Accounts payable	$ 6,644,000	$ 6,233,000
Accrued warranty	422,000	535,000
Accrued severance		100,000
Accrued compensation	870,000	507,000
Other current liabilities	91,000	65,000
Accounts payable and accrued expenses	$ 8,027,000	$ 7,440,000