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EQUITY (Tables)
9 Months Ended
Sep. 30, 2012
Equity [Abstract]  
Disclosure of Share-based Compensation Arrangements by Share-based Payment Award [Table Text Block]
A summary of stock option activity for the nine months ended September 30, 2012 is as follows:

 
 
Number 
of Options
(in shares)
 
Weighted
Average
Exercise
Price Per Share
 
Weighed Average Remaining Contractual Life
 
Aggregate Intrinsic Value
Outstanding at December 31, 2011
 
1,388,333

 
$
4.17

 
 
 
 
Granted
 
190,000

 
$
8.09

 
 
 
 
Exercised
 
(215,197
)
 
$
3.18

 
 
 
 
Forfeited or expired
 
(152,803
)
 
$
5.29

 
 
 
 
Outstanding at September 30, 2012
 
1,210,333

 
$
4.82

 
3.5 years
 
$
5,028

Exercisable at September 30, 2012
 
944,708

 
$
4.13

 
4.1 years
 
$
4,526

Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block]
The weighted average grant date fair value of the 190,000 stock options granted during the first nine months of 2012 was $3.60 per share. The fair value of the options granted was estimated on the grant date using the Black-Scholes option-pricing model with the following weighted average assumptions:
        
Risk-free interest rate
 
1.3
%
Expected term of options, in years
 
6.5

Expected annual volatility
 
58
%
Expected dividend yield
 
1.8
%
Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Table Text Block]
Stock-based compensation expense included in the Company’s Condensed Statements of Operations for the three and nine month periods ended September 30, 2011 and 2012, was as follows:

 
 
Nine months ended September 30,
 
Three months ended September 30,
 
 
2011
 
2012
 
2011
 
2012
Research and development expenses, net of credits
 
$

 
$
68

 
$

 
$
68

Selling, general and administrative expenses
 
315

 
522

 
50

 
340

   Total stock-based compensation expense
 
$
315

 
$
590

 
$
50

 
$
408

Changes in outstanding warrants to purchase common stock [Table Text Block]
The Company previously issued warrants at exercise prices equal to or greater than market value of the Company’s common stock at the date of issuance.  A summary of warrant activity follows:
 
 
Number 
of Warrants
(in shares)
 
Weighted
Average
Exercise
Price Per Share
 
Weighed Average Remaining Contractual Life
Outstanding at December 31, 2011
 
313,806

 
$
4.29

 
 
Granted
 

 
 
 
 
Exercised
 
(269,808
)
 
$
4.39

 
 
Forfeited or expired
 
(15,248
)
 
$
3.68

 
 
Outstanding at September 30, 2012
 
28,750

 
$
3.68

 
3.2 years