Income Taxes (Tables)

12 Months Ended

Dec. 31, 2014

Income Taxes [Abstract]

Schedule of Deferred Tax Assets

      The tax effects of temporary differences that give rise to significant portions of the deferred tax assets at December 31, 2014 and 2013 are presented below.

	2014			2013
Deferred tax assets:
Depreciation	$	113,000		$	104,000
Allowance for bad debts		108,000			70,000
Net operating loss carry-forwards		25,469,000			23,116,000
Stock option expense		1,439,000			1,347,000
Research and other credits		1,031,000			972,000
Other temporary differences		15,000			15,000
Total gross deferred tax assets		28,175,000			25,624,000
Less valuation allowance		(28,175,000	)		(25,624,000	)
	$	--		$	--