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7. STOCK- BASED COMPENSATION (Details) | 9 Months Ended
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Dec. 31, 2015 USD ($) $ / shares shares
Stock-Based Compensation |
Shares available for grant, Beginning | 6,213,943
Options reserved (in shares) | 1,156,419
Granted (in shares) | (661,103)
Forfeited/expired (in shares) | 9,864
Shares available for grant, Ending | 6,719,123
Number of Shares Underlying Options Outstanding |
Balance at the beginning of the period (in shares) | 6,774,151
Granted (in shares) | 661,103
Exercised (in shares) | (76,745)
Forfeited (in shares) | (19,864)
Balance at the end of the period (in shares) | 7,338,645
Options vested and exercisable (in shares) | 4,976,550
Options vested and expected to vest (in shares) | 7,290,669
Weighted Average Remaining Contractual Life |
Options vested and exercisable (in dollars per share) | 3 years 9 months 26 days
Options vested and expected to vest (in dollars per share) | 5 years 2 months 19 days
Weighted Average Exercise Price |
Balance at the beginning of the period (in dollars per share) | $ / shares | $ 5.16
Granted (in dollars per share) | $ / shares | 4.90
Exercised (in dollars per share) | $ / shares | 4.19
Forfeited (in dollars per share) | $ / shares | 4.64
Balance at the end of the period (in dollars per share) | $ / shares | 5.15
Options vested and exercisable (in dollars per share) | $ / shares | 5.05
Options vested and expected to vest (in dollars per share) | $ / shares | $ 5.14
Intrinsic Value |
Exercised (in dollars) | $ | $ 46,977
Options vested and exercisable (in dollars) | $ | 484,583
Options vested and expected to vest (in dollars) | $ | $ 484,583

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- Definition The effect on the total number of shares available for grant that is related to options granted during the period. + References No definition available. + Details
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- Definition The number of shares available for grant related to options reserved under the plan. + References No definition available. + Details
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- Definition The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable. + 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 weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable 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)(iii) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Amount of accumulated difference between fair value of underlying shares on dates of exercise and exercise price on options exercised (or share units converted) into shares. + 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 (d)(2) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition The number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to 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)(iv)(3) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Gross number of share options (or share units) granted during the period. + References No definition available. + Details
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- Definition Number of options outstanding, including both vested and non-vested options. + 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 Reference 2: 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 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 The number of exercisable share options (fully vested and expected to vest) that may be converted as of the balance sheet date. + 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)(2) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition As of the balance sheet date, the number of shares into which fully vested and expected to vest stock options outstanding can be 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 (e)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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