XML 15 R39.htm IDEA: XBRL DOCUMENT v2.4.0.6
Note 3 - Short-Term Investments (Detail) - Short-term Investments in Debt Securities as Available-For-Sale at Fair Value (USD $)
Dec. 31, 2012
Amortized Cost $ 8,433,638
Gross Unrealized Gains 1,517
Gross Unrealized Losses 8,434,944
Fair Value (211)
US Government Agencies Debt Securities [Member]
 
Amortized Cost 3,922,428
Gross Unrealized Gains 867
Gross Unrealized Losses 3,923,084
Fair Value (211)
Certificate Of Deposit [Member]
 
Amortized Cost 4,056,977 [1]
Gross Unrealized Gains 468 [1]
Gross Unrealized Losses 4,057,445 [1]
Fair Value    [1]
Corporate Debt Securities [Member]
 
Amortized Cost 454,233
Gross Unrealized Gains 182
Gross Unrealized Losses 454,415
Fair Value   
[1] We evaluated certificates of deposits held as of December 31, 2012 and concluded that they meet the definition of securities as defined in ASC 320.