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Note 17 - Incentive and Non-Statutory Stock Option Plan (Detail) - Common stock purchase options and warrants consisted of the following: (USD $)
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3 Months Ended | 12 Months Ended | 3 Months Ended | 12 Months Ended | 3 Months Ended | 12 Months Ended | 3 Months Ended | 12 Months Ended | 12 Months Ended | 6 Months Ended | 12 Months Ended | 6 Months Ended | 12 Months Ended | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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Sep. 30, 2011
|
Dec. 31, 2012
|
Sep. 30, 2012
Stock Options [Member]
Minimum [Member]
|
Jun. 30, 2012
Stock Options [Member]
Minimum [Member]
|
Dec. 31, 2012
Stock Options [Member]
Minimum [Member]
|
Jun. 30, 2011
Stock Options [Member]
Minimum [Member]
|
Sep. 30, 2012
Stock Options [Member]
Maximum [Member]
|
Jun. 30, 2012
Stock Options [Member]
Maximum [Member]
|
Dec. 31, 2012
Stock Options [Member]
Maximum [Member]
|
Jun. 30, 2011
Stock Options [Member]
Maximum [Member]
|
Sep. 30, 2012
Stock Options [Member]
|
Jun. 30, 2012
Stock Options [Member]
|
Dec. 31, 2012
Stock Options [Member]
|
Jun. 30, 2012
Warrants [Member]
Minimum [Member]
|
Dec. 31, 2012
Warrants [Member]
Minimum [Member]
|
Dec. 31, 2012
Warrants [Member]
Maximum [Member]
|
Jun. 30, 2012
Warrants [Member]
Maximum [Member]
|
Dec. 31, 2012
Warrants [Member]
|
Jun. 30, 2012
Warrants [Member]
|
Jun. 30, 2011
Minimum [Member]
|
Jun. 30, 2011
Maximum [Member]
|
|
| # of shares (in Shares) | 17,823 | 803,433 | 691,932 | 632,431 | 261,719 | ||||||||||||||||
| Exercise Price | $ 30.00 | $ 6.50 | $ 30.00 | $ 50.00 | $ 50.00 | $ 50.00 | $ 3.10 | $ 5.00 | $ 7.46 | $ 7.73 | $ 3.10 | $ 37.00 | |||||||||
| Exercise Price (in Dollars) | $ 219,119 | $ 1,637,459 | $ (30,105) | ||||||||||||||||||
| # of shares (in Shares) | 140,845 | 184,922 | 351,259 | 5,922 | 246,396 | ||||||||||||||||
| Exercise Price | $ 5 | $ 3.50 | $ 3.00 | $ 5.00 | $ 7.50 | $ 5.00 | $ 7.73 | ||||||||||||||
| # of shares (in Shares) | 58,000 | (184,922) | (231,259) | (15,323) | |||||||||||||||||
| Exercise Price | $ 3.50 | $ 3.00 | $ 5.00 | $ 12.50 | $ 3.10 | ||||||||||||||||
| # of shares (in Shares) | (171,002) | (8,499) | (2,500) | ||||||||||||||||||
| Exercise Price | $ 25.00 | $ 7.50 | $ 29.10 | $ 16.50 | $ 18.50 | $ 37.00 | |||||||||||||||
| # of shares (in Shares) | 803,433 | 632,431 | 252,318 | 261,719 | |||||||||||||||||
| Exercise Price (in Dollars) | $ 82,541 | $ (30,105) | |||||||||||||||||||