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Note 2 - Summary of Significant Accounting Policies (Details) - Antidilutive Securities Excluded From the Dilutive Calculations
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3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
|
Jun. 30, 2013
|
Jun. 30, 2012
|
Jun. 30, 2013
|
Jun. 30, 2012
|
|
|
Warrant [Member]
|
||||
| Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] | ||||
| Antidilutive Securities | 2,259,731 | 3,704,854 | 2,986,285 | 3,704,854 |
|
Restricted Stock [Member]
|
||||
| Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] | ||||
| Antidilutive Securities | 81,041 | 85,161 | ||
|
Convertible Preferred Stock Antidilutive [Member]
|
||||
| Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] | ||||
| Antidilutive Securities | 125,000 | 138,400 | 131,737 | 138,400 |