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Share-based Payments (Details) - shares | Mar. 31, 2020 | Mar. 31, 2019
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2004 Non-Employee Director Stock Option Plan [Member] |  |
Share-based Compensation Description [Abstract] |  |
Shares of common stock available for grant (in shares) | 0 | 0
Option to purchase common stock, outstanding (in shares) | 51,000 | 63,000
2010 Incentive Award Plan [Member] |  |
Share-based Compensation Description [Abstract] |  |
Common stock shares reserved for grants (in shares) | 3,950,000 |
Shares of common stock available for grant (in shares) | 629,823 | 1,040,728
Option to purchase common stock, outstanding (in shares) | 1,485,123 | 1,274,165
2010 Incentive Award Plan [Member] | Restricted Stock Units [Member] |  |
Share-based Compensation Description [Abstract] |  |
Number of shares issued (in shares) | 148,199 | 127,896
2010 Incentive Award Plan [Member] | Restricted Shares [Member] |  |
Share-based Compensation Description [Abstract] |  |
Number of shares issued (in shares) | 0 | 75,000
2014 Non-Employee Director Incentive Award Plan [Member] |  |
Share-based Compensation Description [Abstract] |  |
Common stock shares reserved for grants (in shares) | 342,000 |
Shares of common stock available for grant (in shares) | 143,909 | 201,084
2014 Non-Employee Director Incentive Award Plan [Member] | Restricted Stock Units [Member] |  |
Share-based Compensation Description [Abstract] |  |
Number of shares issued (in shares) | 53,784 | 40,238

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- Definition Number of equity instruments other than options outstanding, including both vested and non-vested instruments. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(ii) -URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -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=116856206&loc=d3e5070-113901 + Details
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- Definition Number of shares authorized for issuance under share-based payment arrangement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901 + 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://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901 + Details
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- Definition Number of options outstanding, including both vested and non-vested options. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -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=116856206&loc=d3e5070-113901 + Details
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