Annual report pursuant to section 13 and 15(d)

Note 8 - Stockholders' Equity (Detail) - Stock Options

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Note 8 - Stockholders' Equity (Detail) - Stock Options (USD $)
 12 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
Balance at January 1, 2010 (in Shares) 3,679,977 3,762,477 669,777
Balance at January 1, 2010 $ 2.05 $ 2.11 $ 4.28
Balance at January 1, 2010 (in Dollars)   $ 262,500 [1] $ 3,694,400 [1]
Exercisable at January 1, 2010 (in Shares) 1,501,659 433,746 483,364
Exercisable at January 1, 2010 $ 2.15 $ 3.03 $ 2.78
Exercisable at January 1, 2010 (in Dollars)   262,500 [1] 3,424,333 [1]
Granted (in Shares) 3,097,400 [2]   3,246,450 [2]
Granted $ 1.08 [2]   $ 1.80 [2]
Exercised (in Shares) (14,000)    
Exercised $ 1.80    
Cancelled or forfeited (in Shares) (331,250) (82,500) (153,750)
Cancelled or forfeited $ 2.14 $ 4.93 $ 5.06
Outstanding (in Shares) 6,432,127 3,679,977 3,762,477
Outstanding $ 1.58 $ 2.05 $ 2.11
Outstanding (in Dollars) 1,846,040 [1]   262,500 [1]
Exercisable (in Shares) 2,386,909 1,501,659 433,746
Exercisable $ 2.13 $ 2.15 $ 3.03
Exercisable (in Dollars) $ 205,000 [1]   $ 262,500 [1]
Minimum [Member]
      
Balance at January 1, 2010 $ 0.88 $ 0.88 $ 0.88
Exercisable at January 1, 2010 $ 0.88 $ 0.88 $ 0.88
Granted $ 1.00 [2]    
Exercised $ 1.80    
Cancelled or forfeited $ 1.80 $ 1.80 $ 3.20
Outstanding $ 0.88 $ 0.88 $ 0.88
Exercisable $ 0.88 $ 0.88 $ 0.88
Maximum [Member]
      
Balance at January 1, 2010 $ 9.64 $ 24.00 $ 24.00
Exercisable at January 1, 2010 $ 9.64 $ 24.00 $ 24.00
Granted $ 2.13    
Exercised $ 9.64    
Cancelled or forfeited $ 9.64 $ 24.00 $ 24.00
Outstanding $ 9.64 $ 9.64 $ 24.00
Exercisable $ 9.64 $ 9.64 $ 24.00
[1] Intrinsic value is calculated as the estimated fair value of the Company's stock at the end of the related period less the option exercise price of in-the-money options.
[2] All options granted during the years ended December 31, 2010 and 2012 were granted with exercise prices which were deemed to be the fair market value of the Company's stock on the date of grant.