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Income Taxes Effective Income tax Rate (Details) | 12 Months Ended
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Jun. 30, 2013 | Jun. 30, 2012 | Jun. 30, 2011
The effective income tax rate differs from the U.S. Federal statutory income tax rate |  |  |
Federal statutory income tax rate | 35.00% | 35.00% | (34.00%)
State income taxes, net of federal benefit | 1.76% | 5.50% | 0.24%
Tax return to provision true-up | (2.51%) | (1.01%) | (1.35%)
Permanent differences: |  |  |
— interest on convertible debt | 0.00% | 0.00% | 3.44%
— change in derivative liability | 0.00% | 16.14% | 32.44%
— stock option compensation | 0.78% | 0.30% | 0.21%
— domestic production activities deduction | (2.73%) | 0.00% | 0.00%
— credit for increasing research activities | (0.67%) | 0.00% | 0.00%
— other | 0.08% | (0.44%) | 0.12%
Decrease in valuation allowance | 0.00% | (39.45%) | (0.91%)
Net income tax provision (benefit) | 31.71% | 16.04% | (0.18%)

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- Definition Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32687-109319 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 13 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32698-109319 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(h)(2)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 08 -Paragraph h -Subparagraph 2 -Article 4 + Details
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