Quarterly report pursuant to Section 13 or 15(d)

NATURE OF BUSINESS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details Narrative)

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NATURE OF BUSINESS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details Narrative) (USD $)
3 Months Ended 6 Months Ended
Jun. 30, 2014
Jun. 30, 2013
Jun. 30, 2014
Jun. 30, 2013
Dec. 31, 2013
Mar. 31, 2013
Royalty Revenue $ 5,166,000 $ 1,907,000 $ 9,657,000 $ 5,971,000    
Cash and cash equivalents 16,579,000 18,103,000 16,579,000 18,103,000 18,938,000  
Non-cash compensation expense, CEO 27,000 27,000 54,000 54,000    
Non-cash compensation, directors 33,000 12,000 33,000 24,000    
Non-cash compensation expense, CFO,directors and consultants     75,000 101,000    
Description of stock option exercise     The option was exercised on a cashless basis by delivery of 31,098 shares of common stock. In addition, 16,968 shares were delivered with an aggregate value of $27,828 to fund payroll withholding taxes on exercise, resulting in net shares of 26,934 issued to the Company's Executive Vice President with respect to such option exercise.      
Percentage of revenue from one licensee out of total revenue (in percent)     92.00% 84.00%    
Net operating loss carryforwards 22,855,000   22,855,000      
Future tax benefit 7,771,000   7,771,000      
Deferred tax asset 4,093,000   4,093,000     5,878,000
Income (before taxes) 2,513,000 461,000 4,665,000 2,516,000    
Income tax expense 912,000 (321,000) 1,668,000 342,000    
Cash in excess of FDIC limits $ 16,329,000 $ 17,583,000 $ 16,329,000 $ 17,583,000    
Potentialy Dilutive Shares 3,720,000 7,587,000 3,720,000 7,587,000   7,587,000
CEO [Member]
           
Stock option exercise, shares 1,100,000          
Stock option exercise price $ 0.25          
Description of stock option exercise The option was exercised on a cashless basis by delivery of 143,979 shares of common stock. In addition, 402,963 shares were delivered with an aggregate value of $769,659 to fund payroll withholding taxes on exercise, resulting in net shares of 553,058 issued to the Company's Chief Executive Officer with respect to such option exercise.          
CEO [Member]
           
Stock option exercise, shares 417,500 1,125,000        
Stock option exercise price $ 0.68 $ 0.68        
Description of stock option exercise The option was exercised on a cashless basis by delivery of 148,639 shares of common stock. In addition, 113,326 shares were delivered with an aggregate value of $216,451 to fund payroll withholding taxes on exercise, resulting in net shares of 155,536 issued to the Company's Chief Executive Officer with respect to such option exercise. The option was exercised on a cashless basis by delivery of 396,373 shares of common stock. In addition, 241,540 shares were delivered with an aggregate value of $466,617 to fund payroll withholding taxes on exercise, resulting in net shares of 487,087 issued to the Company's Chief Executive Officer with respect to such option exercise.        
Employee [Member]
           
Stock option exercise, shares   52,500        
Stock option exercise price   $ 0.68        
Description of stock option exercise   The option was exercised on a cashless basis by delivery of 18,497 shares of common stock. In addition, 10,201 shares were delivered with an aggregate value of $19,688 to fund payroll withholding taxes on exercise, resulting in net shares of 23,802 issued to the employee with respect to such option exercise.        
EVP [Member]
           
Stock option exercise, shares     75,000      
Stock option exercise price     $ 0.68      
Description of stock option exercise     The option was exercised on a cashless basis by delivery of 31,098 shares of common stock. In addition, 16,968 shares were delivered with an aggregate value of $27,828 to fund payroll withholding taxes on exercise, resulting in net shares of 26,934 issued to the Company's Executive Vice President with respect to such option exercise.