XML 27 R26.htm IDEA: XBRL DOCUMENT
v3.19.2

Balance Sheet (Tables) | 6 Months Ended
--- | ---
Jul. 31, 2019
Organization, Consolidation and Presentation of Financial Statements [Abstract] |
Accounts and Contracts Receivables |
| As of July 31, 2019 |  | As of January 31, 2019
| Current |  | Long-term |  | Total |  | Current |  | Long-term |  | Total
Accounts receivable | $ | 12,722 |  |  | $ | 90 |  |  | $ | 12,812 |  |  | $ | 14,195 |  |  | $ | 712 |  |  | $ | 14,907 |
Less allowance for doubtful accounts | (2,073 | ) |  | — |  |  | (2,073 | ) |  | (2,113 | ) |  | — |  |  | (2,113 | )
Accounts receivable net of allowance for doubtful accounts | $ | 10,649 |  |  | $ | 90 |  |  | $ | 10,739 |  |  | $ | 12,082 |  |  | $ | 712 |  |  | $ | 12,794 |
Schedule of Inventories |
|  | July 31, 2019 |  | January 31, 2019
|  | (in thousands)
Inventories: |  |  |  |
Raw materials |  | $ | 7,060 |  |  | $ | 5,446 |
Finished goods |  | 2,300 |  |  | 5,229 |
Work in progress |  | 4,857 |  |  | 1,322 |
|  | 14,217 |  |  | 11,997 |
Less allowance for obsolescence |  | (1,102 | ) |  | (1,223 | )
Total inventories, net |  | $ | 13,115 |  |  | $ | 10,774 |
Schedule of Seismic Equipment Lease Pool and Property and Equipment |
|  | July 31, 2019 |  | January 31, 2019
|  | (in thousands)
Seismic equipment lease pool and property and equipment: |  |  |  |
Seismic equipment lease pool |  | $ | 143,894 |  |  | $ | 147,519 |
Land and buildings |  | 4,055 |  |  | 4,041 |
Furniture and fixtures |  | 10,205 |  |  | 9,897 |
Autos and trucks |  | 570 |  |  | 571 |
|  | 158,724 |  |  | 162,028 |
Accumulated depreciation and amortization |  | (146,883 | ) |  | (147,873 | )
Total seismic equipment lease pool and property and equipment, net |  | $ | 11,841 |  |  | $ | 14,155 |

X
- Definition Accounts and contracts receivables. + References No definition available. + Details
Name: | mind_AccountsAndContractsReceivablesTableTextBlock
Namespace Prefix: | mind_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of physical assets used in the normal conduct of business and not intended for resale. Includes, but is not limited to, balances by class of assets, depreciation and depletion expense and method used, including composite depreciation, and accumulated deprecation. + 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(13)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229 + Details
Name: | us-gaap_PropertyPlantAndEquipmentTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the carrying amount as of the balance sheet date of merchandise, goods, commodities, or supplies held for future sale or to be used in manufacturing, servicing or production process. + 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(6)(c)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: 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(6)(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 3: 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(6)(a)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6361739&loc=d3e7789-107766 + Details
Name: | us-gaap_ScheduleOfInventoryCurrentTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration