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Exercise Price for Options Outstanding and Options Exercisable (Detail) (USD $) | 6 Months Ended
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Sep. 30, 2013
Employee Stock Ownership Plan (ESOP) Disclosures [Line Items] |
Options Outstanding, Number of Shares | 1,005
Options Exercisable, Number of Shares | 27
Exercise Price One |
Employee Stock Ownership Plan (ESOP) Disclosures [Line Items] |
Exercise Price | $ 3.85
Options Outstanding, Number of Shares | 121
Options Outstanding,Weighted Average Exercise Price | $ 3.85
Options Outstanding,Weighted Average Remaining Life (Years) | 9 years 10 months 2 days
Options Exercisable, Number of Shares | 5
Options Exercisable,Weighted Average Exercise Price | $ 3.85
Options Exercisable,Weighted Average Remaining Life (Years) | 9 years 10 months 2 days
Exercise Price Two |
Employee Stock Ownership Plan (ESOP) Disclosures [Line Items] |
Exercise Price | $ 4.00
Options Outstanding, Number of Shares | 237
Options Outstanding,Weighted Average Exercise Price | $ 4.00
Options Outstanding,Weighted Average Remaining Life (Years) | 9 years 7 months 24 days
Exercise Price Three |
Employee Stock Ownership Plan (ESOP) Disclosures [Line Items] |
Exercise Price | $ 4.05
Options Outstanding, Number of Shares | 102
Options Outstanding,Weighted Average Exercise Price | $ 4.05
Options Outstanding,Weighted Average Remaining Life (Years) | 9 years 7 months 21 days
Options Exercisable, Number of Shares | 12
Options Exercisable,Weighted Average Exercise Price | $ 4.05
Options Exercisable,Weighted Average Remaining Life (Years) | 9 years 7 months 21 days
Exercise Price Four |
Employee Stock Ownership Plan (ESOP) Disclosures [Line Items] |
Exercise Price | $ 4.50
Options Outstanding, Number of Shares | 485
Options Outstanding,Weighted Average Exercise Price | $ 4.50
Options Outstanding,Weighted Average Remaining Life (Years) | 9 years 8 months 12 days
Exercise Price Five |
Employee Stock Ownership Plan (ESOP) Disclosures [Line Items] |
Exercise Price | $ 4.65
Options Outstanding, Number of Shares | 60
Options Outstanding,Weighted Average Exercise Price | $ 4.65
Options Outstanding,Weighted Average Remaining Life (Years) | 9 years 5 months 27 days
Options Exercisable, Number of Shares | 10
Options Exercisable,Weighted Average Exercise Price | $ 4.65
Options Exercisable,Weighted Average Remaining Life (Years) | 9 years 5 months 27 days

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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 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 123R -Paragraph A240 -Subparagraph b(1)(c), d(2) -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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- 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 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 123R -Paragraph A240 -Subparagraph b(1)(c) -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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- Definition Weighted average remaining contractual term for vested portions of options outstanding and currently exercisable or convertible, 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 -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition The increase or decrease in number of shares reserved for issuance under stock option agreements awarded under the plan that validly exist and are outstanding, including 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 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 123R -Paragraph A240 -Subparagraph b(1) -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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- Definition Change in the weighted average exercise price of options outstanding. + References No definition available. + Details
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- Definition Weighted average remaining contractual term for option awards outstanding, 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 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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