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Summary of Significant Accounting Policies (Tables) | 12 Months Ended
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Mar. 31, 2021
Accounting Policies [Abstract] |
Computation of Basic and Diluted Net Income Per Common Share | The following table sets forth the reconciliation of basic and diluted common share:
|  | Year Ended March 31,
|  | 2021 |  | 2020 |  | 2019
Basic weighted-average shares outstanding |  | 46,652 |  |  | 45,793 |  |  | 45,827 |
Dilutive effect of stock options, restricted stock units, and employee stock purchase plan |  | — |  |  | — |  |  | 1,774 |
Diluted weighted-average shares outstanding |  | 46,652 |  |  | 45,793 |  |  | 47,601 |
Summary of Antidilutive Securities Excluded from Computation of Earnings Per Share | The following table summarizes our potential outstanding common stock equivalents at the end of each period, which have been excluded from the computation of diluted net income per common share, as their effect is anti-dilutive.
|  | Year Ended March 31,
|  | 2021 |  | 2020 |  | 2019
Stock options, restricted stock units, and shares under the employee stock purchase plan |  | 5,024 |  |  | 4,933 |  |  | 998 |
Financial Assets Measured At Fair Value On Recurring Basis | The following table summarizes the composition of our financial assets measured at fair value at March 31, 2020:
March 31, 2020 |  | Level 1 |  | Level 2 |  | Level 3 |  | Total
Assets: |  |  |  |  |  |  |  |
Short-term investments |  | $ | — |  |  | 44,484 |  |  | — |  |  | $ | 44,484 |
Liabilities: |  |  |  |  |  |  |  |
Contingent consideration |  | — |  |  | $ | — |  |  | 217 |  |  | $ | 217 |
Recently Adopted Accounting Standards and Recently Issued Accounting Standards Not Yet Adopted | Recently Adopted Accounting Standards
Standard | Description | Effective Date | Effect on the Consolidated Financial Statements (or Other Significant Matters)
Accounting Standards Update ("ASU") No. 2016-13 (Topic 326), Financial Instruments-Credit Losses | The standard amends guidance on the impairment of financial instruments. The ASU estimates credit losses based on expected losses and provides for a simplified accounting model for purchased financial assets with credit deterioration. The standard requires a modified retrospective basis adoption through a cumulative-effect adjustment to retained earnings as of the beginning of the period of adoption. | We adopted this new standard as of April 1, 2020, using the modified retrospective method recognized as of the date of initial application. | The adoption of this new standard resulted in an $84 thousand cumulative effect on our consolidated financial statements related to an adjustment to our allowance for doubtful accounts. Under the new standard, we assess credit losses on accounts receivable by taking into consideration past collection experience, credit quality of the customer, age of the receivable balance, current economic conditions, and forecasts that affect the collectability of the reported amount.
Recently Issued Accounting Standards Not Yet Adopted
Standard | Description | Effective Date | Effect on the Consolidated Financial Statements (or Other Significant Matters)
ASU No. 2019-12 (Topic 740), Income Taxes | In December 2019, the Financial Accounting Standards Board ("FASB") issued a new standard to simplify the accounting for income taxes. The guidance eliminates certain exceptions related to the approach for intraperiod tax allocation, the methodology for calculating income taxes in an interim period, and the recognition of deferred tax liabilities for outside basis differences related to changes in ownership of equity method investments and foreign subsidiaries. The guidance also simplifies aspects of accounting for franchise taxes and enacted changes in tax laws or rates, and clarifies the accounting for transactions that result in a step-up in the tax basis of goodwill. | The standard became effective for us beginning April 1, 2021. | We do not expect the adoption to have a material impact in our consolidated financial statements, including accounting policies, processes, and systems.

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- Definition Tabular disclosure of assets, 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). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258 + Details
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