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Note 15 - Stock Based Compensation (Details) - Option and Warrant Activity (USD $) | 12 Months Ended
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Jun. 30, 2014 | Jun. 30, 2013 | Jun. 30, 2012
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |  |  |
# of shares | 757,462 |  |
Exercisable, June 30, 2014 | 257,462 |  |
Exercisable, June 30, 2014 | $ 12.03 |  |
Exercisable, June 30, 2014 | 2 years 229 days |  |
WARRANTS: |  |  |
# of shares | 163,124 |  |
Weighted Average Exericse Price | $ 7.29 |  |
Weighted Average Remaining Contractual Life (in years) | 2 years 73 days |  |
# of shares | 337,899 | 3,750 |
Warrant [Member] |  |  |
WARRANTS: |  |  |
# of shares | 163,124 | 163,124 | 261,719
Weighted Average Exericse Price | $ 7.29 | $ 7.29 | $ 4.24
Weighted Average Remaining Contractual Life (in years) | 2 years 73 days | 3 years 69 days | 6 years 215 days
Aggregated Intrinsic Value |  | $ 451,519 |
# of shares |  | 5,922 |
Weighted Average Exericse Price |  | $ 0.27 |
# of shares |  | (104,517) |
Weighted Average Exericse Price |  | $ 5.12 |
Employee Stock Option [Member] |  |  |
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |  |  |
# of shares | 757,462 | 311,462 | 803,433
Weighted Average Exericse Price | $ 6.65 | $ 15.65 | $ 19.73
Weighted Average Remaining Contractual Life (in years) | 2 years 73 days | 3 years 109 days | 3 years 251 days
Aggregated Intrinsic Value |  | $ 523,125 |
WARRANTS: |  |  |
# of shares | 612,793 | 362,747 |
Weighted Average Exericse Price | $ 4.32 | $ 5.51 |
# of shares | (112,793) | (449,285) |
Weighted Average Exericse Price | $ 6.29 | $ 5.70 |
# of shares | (54,000) | (405,433) |
Weighted Average Exericse Price | $ 32.92 | $ 25.87 |

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- Definition The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2)(iii)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Weighted average remaining contractual term for equity-based awards excluding options, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (e)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Amount of difference between fair value of the underlying shares reserved for issuance and exercise price of vested portions of options outstanding and currently exercisable. + References Reference 1: 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 + Details
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- Definition The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(iii) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Net number of share options (or share units) granted during the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(iv)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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