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 6 Months Ended
Jun. 30, 2012
N
Jun. 30, 2011
Jun. 30, 2012
N
Jun. 30, 2011
Dec. 31, 2011
Dec. 31, 2010
Nature Of Business And Summary Of Significant Accounting Policies - Business Details Narrative            
Number of patents owned covering various telecommunications and data networking technologies 6   6      
Number of license agreements entered with respect to Remote Power Patent 13   13      
Royalty revenue $ 1,966,000 $ 1,814,000 $ 6,391,000 $ 5,390,000    
Cash and cash equivalents $ 21,279,000 $ 21,822,000 $ 21,279,000 $ 21,822,000 $ 20,661,000 $ 21,348,000