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Leases (Tables) | 6 Months Ended
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Nov. 30, 2021
Leases [Abstract] |
Supplemental balance sheet information | The following table presents supplemental balance sheet information related to leases:
(in thousands) | Balance Sheet Location |  | Nov 30, 2021 |  | May 31, 2021
Assets |  |  |  |  |
Operating lease ROU asset | Other assets |  | $ | 8,159 |  |  | $ | 9,382 |
Liabilities |  |  |  |  |
Current operating lease liabilities | Other current liabilities |  | 2,473 |  |  | 2,415 |
Non-current operating lease liabilities | Other long-term liabilities |  | 6,011 |  |  | 7,319 |
Total lease liabilities |  |  | $ | 8,484 |  |  | $ | 9,734 |
The following table presents the weighted average remaining lease term and discount rate:
| Nov 30, 2021
Weighted average remaining term (in years) | 3.68
Weighted average discount rate | 3.8 | %
Lease liability schedule | The maturities of the lease liabilities for each of the following fiscal years is:
(in thousands) | Nov 30, 2021
Remainder of 2022 | $ | 1,361 |
2023 | 2,773 |
2024 | 2,195 |
2025 | 1,440 |
2026 | 1,139 |
2027 and thereafter | 171 |
Total lease payments | $ | 9,079 |
Less: Imputed Interest | 595 |
Total lease obligations | $ | 8,484 |
Less: Current portion of lease obligations | 2,473 |
Long-term lease obligations | $ | 6,011 |
Supplemental cash flow information | The expenses on the Consolidated Statement of Operations were classified as follows:
| Three Months Ended |  | Six Months Ended
(in thousands) | Nov 30, 2021 |  | Nov 30, 2020 |  | Nov 30, 2021 |  | Nov 30, 2020
Cost of sales | $ | 218 |  |  | $ | 192 |  |  | $ | 437 |  |  | $ | 393 |
Research and development | 52 |  |  | 197 |  |  | 150 |  |  | 485 |
Sales and marketing | 39 |  |  | 92 |  |  | 79 |  |  | 193 |
General and administrative | 434 |  |  | 256 |  |  | 764 |  |  | 551 |
| $ | 743 |  |  | $ | 737 |  |  | $ | 1,430 |  |  | $ | 1,622 |
The following table presents supplemental cash flow and other information related to leases for the six months ended:
(in thousands) | Nov 30, 2021 |  | Nov 30, 2020
Cash paid for amounts included in the measurement of lease liabilities |  |  |
Operating cash flows from operating leases | $ | 1,359 |  |  | $ | 1,360 |
ROU assets obtained in exchange for lease liabilities |  |  |
Operating leases | $ | — |  |  | $ | 487 |

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- Definition Assets And Liabilities, Lessee [Table Text Block] + References No definition available. + Details
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- 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=121609121&loc=SL77918686-209980 + Details
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- 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=121609121&loc=SL77918701-209980 + Details
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