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Note 5 - Acquisition (Detail) (USD $) | 6 Months Ended |  | 1 Months Ended
--- | --- | --- | ---
Jun. 30, 2013 | Mar. 30, 2012 sqft | Mar. 30, 2012 Cornerstone Acquisition | Mar. 30, 2012 Warrants For Cornerstone Acquisition Exercisable January 1, 2012 - December 31, 2016 | Mar. 30, 2012 Warrants for Cornerstone Acquisition Exercisable July 1, 2012 through June 30, 2017 | Mar. 30, 2012 Warrants For Cornerstone Acquisition Exercisable January 1, 2013 through December 31, 2017 | Mar. 30, 2012 Warrants For Cornerstone Acquisition
Percentage of membership interests purchased |  |  | 100.00% |  |  |  |
Area of land owned by sellers in Scottsdale Arizona |  | 5,000 |  |  |  |  |
Facility cost |  | $ 700 |  |  |  |  |
Stock issued during period, shares, acquisitions |  |  | 2,260,000 |  |  |  |
Share price (in Dollars per share) |  |  | $ 1.37 |  |  |  |
Exercise period of warrants (in years) |  |  | three |  |  |  |
Warrants issued |  |  | 300,000 | 100,000 | 100,000 | 100,000 | 300,000
Exercise price of warrants issued in transaction (in Dollars per share) |  |  |  | $ 2.00 | $ 3.00 | $ 4.00 |
Issuance of warrants in business acquisition, Value (in Dollars) |  |  |  |  |  |  | 201,000
Risk free interest rate |  |  |  |  |  |  | 1.04%
Expected volatility rate |  |  |  |  |  |  | 79.10%
Equity issued in business combination, fair value (in Dollars) |  |  |  |  |  |  | 3,297,200
Amortization of acquired intangible assets (in Dollars) | 274,767 |  |  |  |  |  |
Amortization expenses | $ 109,907 |  |  |  |  |  |

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