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Stockholders' Equity - Treasury Shares (Details) - Common Stock - USD ($) | 3 Months Ended
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Sep. 30, 2021 | Sep. 30, 2020
Equity, Class of Treasury Stock [Line Items] |  |
Number of treasury shares acquired (in shares) | 353 | 2,632
Average price per share (in USD per share) | $ 4.53 | $ 2.79
Total cost of treasury shares acquired | $ 1,599 | $ 7,348

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- Definition Total cost of shares repurchased divided by the total number of shares repurchased. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 30 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6405813&loc=d3e23239-112655 + Details
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