Quarterly report pursuant to Section 13 or 15(d)

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

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NATURE OF BUSINESS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Business (Details Narrative) (USD $)
3 Months Ended 9 Months Ended
Sep. 30, 2013
Data
Sep. 30, 2012
Sep. 30, 2013
Data
Sep. 30, 2012
Dec. 31, 2012
Dec. 31, 2011
Nature Of Business And Summary Of Significant Accounting Policies - Business Details Narrative            
Number of patents owned covering various technologies 20   20      
Number of license agreements entered with respect to Remote Power Patent 16   16      
Royalty revenue $ 1,227,000 $ 1,418,000 $ 7,198,000 $ 7,809,000    
Cash and cash equivalents $ 19,584,000   $ 19,584,000   $ 21,983,000 $ 20,661,000