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7. STOCK- BASED COMPENSATION (Details 2) (USD $) | 3 Months Ended |
--- | --- | ---
Sep. 30, 2014 | Mar. 31, 2014
Options outstanding by exercise price |  |
Exercise Price (in dollars per share) | $ 5.16 | $ 5.13
Number of Shares Underlying Options Outstanding (in shares) | 6,605,098 |
Options Outstanding, Weighted Average Exercise Price (in dollars per share) | $ 5.16 |
Options Outstanding, Weighted Average Remaining Contractual Life | 5 years 10 months 21 days |
Options Exercisable, Number Vested and Exercisable (in shares) | 4,188,255 |
Exercise Price Range From Dollars 2.43 To Dollars 3.43 [Member] |  |
Options outstanding by exercise price |  |
Exercise Price, low end of range (in dollars per share) | $ 2.43 |
Exercise Price, high end of range (in dollars per share) | $ 3.43 |
Number of Shares Underlying Options Outstanding (in shares) | 917,384 |
Options Outstanding, Weighted Average Exercise Price (in dollars per share) | $ 3.16 |
Options Outstanding, Weighted Average Remaining Contractual Life | 4 years 4 months 6 days |
Options Exercisable, Number Vested and Exercisable (in shares) | 917,384 |
Options Exercisable, Weighted Average Exercise Price (in dollars per share) | $ 3.16 |
Exercised Price Range From Dollars 3.75 To Dollars 4.00 [Member] |  |
Options outstanding by exercise price |  |
Exercise Price, low end of range (in dollars per share) | $ 3.75 |
Exercise Price, high end of range (in dollars per share) | $ 4.00 |
Number of Shares Underlying Options Outstanding (in shares) | 812,779 |
Options Outstanding, Weighted Average Exercise Price (in dollars per share) | $ 3.96 |
Options Outstanding, Weighted Average Remaining Contractual Life | 4 years 5 months 16 days |
Options Exercisable, Number Vested and Exercisable (in shares) | 812,779 |
Options Exercisable, Weighted Average Exercise Price (in dollars per share) | $ 3.96 |
Exercise Price Range Dollars 4.17 To Dollars 4.81 [Member] |  |
Options outstanding by exercise price |  |
Exercise Price, low end of range (in dollars per share) | $ 4.17 |
Exercise Price, high end of range (in dollars per share) | $ 4.81 |
Number of Shares Underlying Options Outstanding (in shares) | 812,205 |
Options Outstanding, Weighted Average Exercise Price (in dollars per share) | $ 4.39 |
Options Outstanding, Weighted Average Remaining Contractual Life | 5 years 10 months 6 days |
Options Exercisable, Number Vested and Exercisable (in shares) | 419,494 |
Options Exercisable, Weighted Average Exercise Price (in dollars per share) | $ 4.39 |
ExercisePrice Range From Dollars 4.90 To Dollars 5.23 [Member] |  |
Options outstanding by exercise price |  |
Exercise Price, low end of range (in dollars per share) | $ 4.90 |
Exercise Price, high end of range (in dollars per share) | $ 5.23 |
Number of Shares Underlying Options Outstanding (in shares) | 789,563 |
Options Outstanding, Weighted Average Exercise Price (in dollars per share) | $ 5.11 |
Options Outstanding, Weighted Average Remaining Contractual Life | 8 years 10 months 2 days |
Options Exercisable, Number Vested and Exercisable (in shares) | 132,396 |
Options Exercisable, Weighted Average Exercise Price (in dollars per share) | $ 4.90 |
Exercise Price Range Dollars 5.41 [Member] |  |
Options outstanding by exercise price |  |
Exercise Price (in dollars per share) | $ 5.41 |
Number of Shares Underlying Options Outstanding (in shares) | 30,000 |
Options Outstanding, Weighted Average Exercise Price (in dollars per share) | $ 5.41 |
Options Outstanding, Weighted Average Remaining Contractual Life | 9 years 10 months 17 days |
Exercise Price Range Dollars 5.50 [Member] |  |
Options outstanding by exercise price |  |
Exercise Price (in dollars per share) | $ 5.50 |
Number of Shares Underlying Options Outstanding (in shares) | 783,433 |
Options Outstanding, Weighted Average Exercise Price (in dollars per share) | $ 5.50 |
Options Outstanding, Weighted Average Remaining Contractual Life | 2 years 1 month 17 days |
Options Exercisable, Number Vested and Exercisable (in shares) | 783,433 |
Options Exercisable, Weighted Average Exercise Price (in dollars per share) | $ 5.50 |
Exercise Price Range from Dollars 5.59 to Dollars 5.76 [Member] |  |
Options outstanding by exercise price |  |
Exercise Price, low end of range (in dollars per share) | $ 5.59 |
Exercise Price, high end of range (in dollars per share) | $ 5.76 |
Number of Shares Underlying Options Outstanding (in shares) | 675,410 |
Options Outstanding, Weighted Average Exercise Price (in dollars per share) | $ 5.70 |
Options Outstanding, Weighted Average Remaining Contractual Life | 7 years 7 days |
Options Exercisable, Number Vested and Exercisable (in shares) | 259,146 |
Options Exercisable, Weighted Average Exercise Price (in dollars per share) | $ 5.69 |
Exercise Price Range from Dollars 6.00 to Dollars 6.54 [Member] |  |
Options outstanding by exercise price |  |
Exercise Price, low end of range (in dollars per share) | $ 6.00 |
Exercise Price, high end of range (in dollars per share) | $ 6.54 |
Number of Shares Underlying Options Outstanding (in shares) | 798,358 |
Options Outstanding, Weighted Average Exercise Price (in dollars per share) | $ 6.32 |
Options Outstanding, Weighted Average Remaining Contractual Life | 6 years 7 months 28 days |
Options Exercisable, Number Vested and Exercisable (in shares) | 384,692 |
Options Exercisable, Weighted Average Exercise Price (in dollars per share) | $ 6.19 |
Exercise Price Range From Dollars 6.61 To Dollars 6.86 [Member] |  |
Options outstanding by exercise price |  |
Exercise Price, low end of range (in dollars per share) | $ 6.61 |
Exercise Price, high end of range (in dollars per share) | $ 6.86 |
Number of Shares Underlying Options Outstanding (in shares) | 666,153 |
Options Outstanding, Weighted Average Exercise Price (in dollars per share) | $ 6.77 |
Options Outstanding, Weighted Average Remaining Contractual Life | 8 years 4 months 21 days |
Options Exercisable, Number Vested and Exercisable (in shares) | 210,023 |
Options Exercisable, Weighted Average Exercise Price (in dollars per share) | $ 6.78 |
Exercise Price Range from Dollars 7.00 to Dollars 9.20 [Member] |  |
Options outstanding by exercise price |  |
Exercise Price, low end of range (in dollars per share) | $ 7.00 |
Exercise Price, high end of range (in dollars per share) | $ 9.20 |
Number of Shares Underlying Options Outstanding (in shares) | 319,813 |
Options Outstanding, Weighted Average Exercise Price (in dollars per share) | $ 7.78 |
Options Outstanding, Weighted Average Remaining Contractual Life | 6 years 7 days |
Options Exercisable, Number Vested and Exercisable (in shares) | 268,908 |
Options Exercisable, Weighted Average Exercise Price (in dollars per share) | $ 7.51 |

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- Definition Weighted average price at which grantees can acquire the shares reserved for issuance under the stock 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)(i) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Weighted average exercise price as of the balance sheet date for those equity-based payment arrangements exercisable and outstanding. + 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 The floor of a customized range of exercise prices for purposes of disclosing shares potentially issuable under outstanding stock option awards on all stock option plans and other required information pertaining to awards in the customized range. + 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 (g) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition The number of shares reserved for issuance pertaining to the outstanding exercisable stock options as of the balance sheet date in the customized range of exercise prices for which the market and performance vesting condition has been satisfied. + 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)(iii) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition The weighted average price as of the balance sheet date at which grantees could acquire the underlying shares with respect to all outstanding stock options which are in the customized range of exercise prices. + 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)(i)-(ii) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Weighted average remaining contractual term of outstanding stock 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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