Note M - Commitments and Contingencies - Non-cancelable Operating Lease Commitments (Details) $ in Thousands	Mar. 31, 2019 USD ($)
2020, Lease commitments	$ 1,404
2020, Sublease income	267
2020, Net lease commitments	1,137
2021, Lease commitments	1,319
2021, Sublease income	245
2021, Net lease commitments	1,074
2022, Lease commitments	1,572
2022, Sublease income	247
2022, Net lease commitments	1,325
2023, Lease commitments	1,596
2023, Sublease income	175
2023, Net lease commitments	1,421
2023, Lease commitments	1,545
2024, Sublease income	169
2024, Net lease commitments	1,376
Thereafter, Lease commitments	6,120
Thereafter, Sublease income	521
Thereafter, Net lease commitments	5,599
Lease commitments	13,556
Sublease income	1,624
Net lease commitments	$ 11,932

Total net lease minimum payment.

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Net lease commitments due in one year.

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Net lease commitments due in five years.

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Net lease commitments due in four years.

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Net lease commitments due in three years.

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Net lease commitments due in two years.

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Net lease commitments due after five years.

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Amount of required minimum rental payments for leases having an initial or remaining non-cancelable letter-terms in excess of one year.

+ References

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Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the third fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due after the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Future minimum rental payments in aggregate as of the balance sheet date under operating leases.

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Future rental payments receivable within the fourth year from the balance sheet date under an operating lease.

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Future rental payments receivable within the third year from the balance sheet date under an operating lease.

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Future rental payments receivable within the second year from the balance sheet date under an operating lease.

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Future minimum lease payments receivable under operating leases for periods greater than five years following the balance sheet date.

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