XML 27 R37.htm IDEA: XBRL DOCUMENT
v3.19.3

Note 14 - Leases (Tables) | 6 Months Ended
--- | ---
Sep. 30, 2019
Notes Tables |
Assets And Liabilities Lessee [Table Text Block] |
|  | September 30, 2019 |
Operating Leases: |  |  |  |
Right-of-use assets |  | $ | 3,607 |
Total right-of-use assets |  |  | 3,607 |
Lease liabilities - ST |  | $ | 424 |
Lease liabilities - LT |  |  | 3,240 |
Total operating lease liabilities |  |  | 3,664 |
Weighted-average remaining lease term |  |  | 7.31 years |
Weighted-average discount rate |  |  | 7.07 | %
Lease, Cost [Table Text Block] |
|  | Three Months Ended |  |  | Six Months Ended |
|  | September 30, 2019 |  |  | September 30, 2019 |
Operating Lease: |  |  |  |  |  |  |  |
Operating lease costs - fixed |  | $ | 178 |  |  | $ | 356 |
Operating lease costs - variable |  |  | 27 |  |  |  | 46 |
Short-term lease costs |  |  | 176 |  |  |  | 214 |
Total lease costs |  |  | 381 |  |  |  | 616 |
Lessee, Operating Lease, Liability, Maturity [Table Text Block] |
|  | Operating Leases |
Year ended March 31, |  |  |  |
2020 |  | $ | 331 |
2021 |  |  | 670 |
2022 |  |  | 650 |
2023 |  |  | 624 |
2024 |  |  | 562 |
Thereafter |  |  | 1,896 |
Total minimum lease payments |  |  | 4,733 |
Less: interest |  |  | (1,069 | )
Present value of lease liabilities |  |  | 3,664 |
Accounting Standards Update 2016-02 [Member] |
Notes Tables |
Schedule of New Accounting Pronouncements and Changes in Accounting Principles [Table Text Block] |
|  | March 31, 2019 |  |  | ASC 842 Adjustment |  |  | April 1, 2019 |
Operating Leases: |  |  |  |  |  |  |  |  |  |  |  |
Right of use asset |  | $ | — |  |  | $ | 3,795 |  |  | $ | 3,795 |
Total operating lease right-of-use asset |  |  | — |  |  |  | 3,795 |  |  |  | 3,795 |
Operating lease liabilities – ST |  | $ | — |  |  | $ | 309 |  |  | $ | 309 |
Operating lease liabilities – LT |  |  | — |  |  |  | 3,512 |  |  |  | 3,512 |
Total operating lease liabilities |  |  | — |  |  |  | 3,821 |  |  |  | 3,821 |
Weighted-average remaining lease term |  |  |  |  |  |  |  |  |  | 7.69 years |
Weighted-average discount rate |  |  |  |  |  |  |  |  |  |  | 7.06 | %

X
- Definition Tabular disclosure of lessee's assets and liabilities. + References No definition available. + Details
Name: | amsc_AssetsAndLiabilitiesLesseeTableTextBlock
Namespace Prefix: | amsc_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of lessee's lease cost. Includes, but is not limited to, interest expense for finance lease, amortization of right-of-use asset for finance lease, operating lease cost, short-term lease cost, variable lease cost and sublease income. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=77888426&loc=SL77918686-209980 + Details
Name: | us-gaap_LeaseCostTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of undiscounted cash flows of lessee's operating lease liability. Includes, but is not limited to, reconciliation of undiscounted cash flows to operating lease liability recognized in statement of financial position. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=77888426&loc=SL77918701-209980 + Details
Name: | us-gaap_LesseeOperatingLeaseLiabilityMaturityTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of changes in accounting principles, including adoption of new accounting pronouncements, that describes the new methods, amount and effects on financial statement line items. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 250 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=109234566&loc=d3e22499-107794 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 270 -SubTopic 10 -Section 45 -Paragraph 13 -URI http://asc.fasb.org/extlink&oid=116846552&loc=d3e765-108305 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 270 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.10-01.(b)(6)) -URI http://asc.fasb.org/extlink&oid=27015980&loc=d3e46468-122699 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 270 -SubTopic 10 -Section 45 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=116846552&loc=d3e725-108305 Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 250 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=109234566&loc=d3e22583-107794 + Details
Name: | us-gaap_ScheduleOfNewAccountingPronouncementsAndChangesInAccountingPrinciplesTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

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

X
- Details
Name: | us-gaap_AdjustmentsForNewAccountingPronouncementsAxis=us-gaap_AccountingStandardsUpdate201602Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |