Note 8 - Stockholders' Equity (Details) - Nonvested Stock Options (USD $)
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12 Months Ended | ||||||
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Dec. 31, 2012
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Dec. 31, 2011
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Dec. 31, 2010
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Nonvested Stock Options [Abstract] | |||||||
Nonvested January 1, 2010 | 2,178,318 | 3,328,731 | 186,413 | ||||
Nonvested January 1, 2010 (in Dollars per share) | $ 0.87 | $ 0.88 | $ 2.41 | ||||
Shares Granted | 3,097,400 | [1] | 3,246,450 | [1] | |||
Weighted-Average Grant Date Fair Value - Granted (in Dollars per share) | $ 0.48 | $ 0.83 | |||||
Shares Forfeited | (258,517) | (51,833) | (41,667) | ||||
Weighted-Average Grant Date Fair Value - Forfeited (in Dollars per share) | $ 0.85 | $ 0.88 | $ 1.92 | ||||
Shares Vested | (971,984) | (1,098,580) | (62,465) | ||||
Weighted-Average Grant Date Fair Value - Vested (in Dollars per share) | $ 1.04 | $ 0.89 | $ 2.31 | ||||
Shares Nonvested | 4,045,218 | 2,178,318 | 3,328,731 | ||||
Weighted-Average Grant Date Fair Value - Nonvested (in Dollars per share) | $ 0.56 | $ 0.87 | $ 0.88 | ||||
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No authoritative reference available. No definition available.
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The number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Gross number of share options (or share units) granted during the period. No definition available.
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