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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 $) | 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 |
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
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) |  |

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- Definition The number of shares reserved for issuance under stock option agreements awarded under the plan that validly exist and are outstanding as of the balance sheet date, including vested options. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 123R -Paragraph A240 -Subparagraph b(1)(b) -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(i)-(ii) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 123R -Paragraph A240 -Subparagraph b(1)(a) -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
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