Details of Certain Financial Statement Components and Supplemental Disclosures of Cash Flow Information and Non-Cash Activities (Tables)

12 Months Ended

Dec. 31, 2015

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Components of Accounts Receivable

Balance Sheet Data:

	December 31, 2015			December 31, 2014
Accounts receivable:
Accounts receivable-trade	$	43,000		$	87,000
Less: allowance for doubtful accounts		(5,000	)		(1,000	)
	$	38,000		$	86,000

Components of Inventories

December 31, 2015			December 31, 2014
Inventories:
Raw materials	$	651,000		$	580,000
Reserve for raw materials		(578,000	)		(540,000	)
Work-in-process		28,000			31,000
Reserve for work-in-process		(28,000	)		(25,000	)
Finished goods		216,000			196,000
Reserve for finished goods		(168,000	)		(168,000	)
	$	121,000		$	74,000

Components of Property and Equipment

December 31, 2015			December 31, 2014
Property and Equipment:
Equipment	$	11,571,000		$	11,853,000
Leasehold improvements		1,065,000			734,000
Furniture and fixtures		205,000			223,000
		12,841,000			12,810,000
Less: accumulated depreciation and amortization		(7,290,000	)		(4,908,000	)
	$	5,551,000		$	7,902,000

Components of Patents, Licenses and Purchased Technology

December 31, 2015			December 31, 2014
Patents, Licenses and Purchased Technology:
Patents pending	$	555,000		$	454,000
Patents issued		1,252,000			1,226,000
Less accumulated amortization		(869,000	)		(794,000	)
Net patents issued		383,000			432,000
	$	938,000		$	886,000

Components of Accrued Expenses and Other Long Term Liabilities

December 31, 2015			December 31, 2014
Accrued Expenses and Other Long Term Liabilities:
Salaries payable	$	98,000		$	130,000
Compensated absences		197,000			231,000
Compensation related		38,000			19,000
Warranty reserve		23,000			38,000
Deferred rent		132,000			368,000
Other		78,000			21,000
Fair value of warrant derivatives		245,000			5,228,000
Total		811,000			6,035,000
Less current portion		(418,000	)		(1,401,000	)
Long-term portion	$	393,000		$	4,634,000

Schedule of Warranty Reserve Activity

2015			2014			2013
Warranty Reserve Activity:
Beginning balance	$	38,000		$	151,000		$	227,000
Additions		—			—			19,000
Deductions		(15,000	)		(113,000	)		(95,000	)
Ending balance	$	23,000		$	38,000		$	151,000