Accounts Payable and Accrued Expenses (Tables)

12 Months Ended

Dec. 31, 2015

Payables and Accruals [Abstract]

Accounts Payable and Accrued Expenses

	2015		2014
	(in thousands)
Accounts payable	$	652	$	956
Accrued franchise taxes		342		445
Accrued directors fees		90		-
Accrued professional fees		469			-
Warranty reserve		49		46
Accrued salaries and related		1,152		2,064
Warrant liability		90-		-
Other accrued expenses		188		623
Total accounts payable and accrued expenses	$	3,032	$	4,134