SHARE BASED COMPENSATION (Tables)

3 Months Ended

Mar. 31, 2014

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Schedule Of Share Based Compensation Included Operating Expense [Table Text Block]

All stock-based compensation is included in operating expenses for the periods as follows:

	Three Months Ended
	March 31,
	2014		2013
Compensation cost recognized:
Selling	$	-	$	499
General & Administrative		970		1,314
Research & Development		1,316		2,971
	$	2,286	$	4,784

Schedule of Share-based Compensation, Stock Options, Activity [Table Text Block]

Stock option activity under the 1998, 1999, 2001, 2003 and 2006 Stock Option Plans during the periods indicated below were as follows:

	Number of Shares Subject to Issuance		Weighted- average Exercise Price		Weighted- average Remaining Contractual Term	Aggregate Intrinsic Value
Outstanding at December 31, 2013		327,486	$	2.31	2.42 years	$	12,100
Granted		-		-
Forfeited or expired		(28,000)		1.36
Exercised		-		-
Outstanding at March 31, 2014		299,486	$	2.40	2.39 years	$	58,300
Exercisable at March 31, 2014		213,736	$	3.19	1.79 years	$	14,575

Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block]

The fair value of share-based payment units was estimated using the Black-Scholes option pricing model with the following assumptions and weighted average fair values as follows:

	Three Months Ended
	March 31,
	2014		2013
Weighted average fair value of grants	$	0.00	$	0.29
Valuation assumptions:
Expected dividend yield		0		0.00	%
Expected volatility		0		100.4	%
Expected life (in years)		0		5.00
Risk-free interest rate		0		0.77	%