INCOME TAXES (Tables)
 12 Months Ended
Dec. 31, 2013
Income Tax Disclosure [Abstract]  
Schedule of Deferred Tax Assets and Liabilities [Table Text Block]
Significant components of deferred tax assets and liabilities are as follows (in thousands):
 
 
 
2013
 
2012
 
Deferred tax assets:
 
 
 
 
 
 
 
Net operating loss carryover
 
$
7,497
 
$
5,793
 
Stock-based compensation
 
 
2,888
 
 
2,474
 
Other
 
 
19
 
 
339
 
Tax credits
 
 
398
 
 
374
 
Total deferred tax assets
 
 
10,802
 
 
8,980
 
Less: valuation allowance
 
 
(10,802)
 
 
(8,980)
 
Net deferred tax assets
 
$
–
 
$
–
 
Schedule of Effective Income Tax Rate Reconciliation [Table Text Block]
The actual tax benefit differs from the expected tax benefit for the years ended December 31, 2013 and 2012 (computed by applying the U.S. Federal Corporate tax rate of 34% to income before taxes) are as follows:
 
 
 
2013
 
 
2012
 
Statutory federal income tax rate
 
 
-34.0
%
 
 
-34.0
%
Non-deductible items
 
 
0.1
%
 
 
0.0
%
Adjustment for R&D Credit
 
 
-0.4
%
 
 
-0.8
%
Valuation allowance
 
 
34.4
%
 
 
34.8
%
Effective income tax rate
 
 
–
%
 
 
–
%