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v3.20.2

Subsequent Event (Details) - $ / shares | Aug. 03, 2020 | Aug. 02, 2020 | Jul. 31, 2020 | Jan. 31, 2020
--- | --- | --- | --- | ---
Subsequent Event [Line Items] |  |  |  |
Common stock, shares authorized (in shares) |  |  | 40,000,000 | 40,000,000
Preferred stock, shares authorized (in shares) |  |  | 2,000,000 | 2,000,000
Preferred stock, par value (in usd per share) |  |  | $ 1.00 | $ 1.00
Subsequent Event |  |  |  |
Subsequent Event [Line Items] |  |  |  |
Capital stock, shares authorized (in shares) | 42,000,000 | 21,000,000 |  |
Common stock, shares authorized (in shares) | 40,000,000 | 20,000,000 |  |
Preferred stock, shares authorized (in shares) | 2,000,000 | 1,000,000 |  |
Preferred stock, par value (in usd per share) | $ 1.00 |  |  |

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- Definition Common Stock And Preferred Stock, Shares Authorized + References No definition available. + Details
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Namespace Prefix: | mind_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

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- Definition The maximum number of common shares permitted to be issued by an entity's charter and bylaws. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(29)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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Balance Type: | na
Period Type: | instant

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- Definition Face amount or stated value per share of preferred stock nonredeemable or redeemable solely at the option of the issuer. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(28)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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- Definition The maximum number of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) permitted to be issued by an entity's charter and bylaws. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(28)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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- Definition Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event. + References No definition available. + Details
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- Details
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