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Description of Business and Summary of Significant Accounting Policies (Tables) | 12 Months Ended
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Mar. 31, 2017
Accounting Policies [Abstract] |
Estimated Fair Values of Liabilities Measured on Recurring Basis | The estimated fair values of the liabilities measured on a recurring basis are as follows:
|  | Fair Value Measurements at March 31, 2017 and 2016 (in thousands): |
|  | Balance at March 31, 2017 |  |  | Quoted Prices in Active Markets (Level 1) |  |  | Significant Other Observable Inputs (Level 2) |  |  | Significant Other Unobservable Inputs (Level 3) |
Warrant liability |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |
|  | Balance at March 31, 2016 |  |  | Quoted Prices in Active Markets (Level 1) |  |  | Significant Other Observable Inputs (Level 2) |  |  | Significant Other Unobservable Inputs (Level 3) |
Warrant liability |  | $ | 4 |  |  | $ | — |  |  | $ | — |  |  | $ | 4 |
Activity for Liabilities Measured at Estimated Fair Value Using Unobservable Inputs | The following table presents the activity for liabilities measured at estimated fair value using unobservable inputs for the years ended March 31, 2017 and 2016: Fair Value Measurements Using Significant Unobservable Inputs (Level 3)
|  | Warrant Derivative Liability (in thousands) |
Balance at March 31, 2015 |  | $ | 126 |
Issuances |  | $ | — |
Adjustments to estimated fair value |  | $ | 17 |
Warrant liability removal due to settlements |  | $ | (139 | )
Balance at March 31, 2016 |  | $ | 4 |
Issuances |  | $ | — |
Adjustments to estimated fair value |  | $ | (4 | )
Warrant liability removal due to settlements |  | $ | — |
Balance at March 31, 2017 |  | $ | — |

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- Definition Tabular disclosure of liabilities, including [financial] instruments measured at fair value that are classified in stockholders' equity, if any, by class that are measured at fair value on a recurring basis. The disclosures contemplated herein include the fair value measurements at the reporting date by the level within the fair value hierarchy in which the fair value measurements in their entirety fall, segregating fair value measurements using quoted prices in active markets for identical assets (Level 1), significant other observable inputs (Level 2), and significant unobservable inputs (Level 3). Where the quoted price in an active market for the identical liability is not available, the Level 1 input is the quoted price of an identical liability when traded as an asset. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19190-110258 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19207-110258 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19207-110258 + Details
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- Definition Tabular disclosure of the fair value measurement of liabilities using significant unobservable inputs (Level 3), a reconciliation of the beginning and ending balances, separately presenting changes attributable to the following: (1) total gains or losses for the period (realized and unrealized), segregating those gains or losses included in earnings (or changes in net assets), and gains or losses recognized in other comprehensive income (loss) and a description of where those gains or losses included in earnings (or changes in net assets) are reported in the statement of income (or activities); (2) purchases, sales, issues, and settlements (each type disclosed separately); and (3) transfers in and transfers out of Level 3 (for example, transfers due to changes in the observability of significant inputs) by class of liability. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19279-110258 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19207-110258 + Details
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