Note J - Equity-based Compensation - Weighted Average Fair Value Assumptions (Details)	3 Months Ended
Jun. 30, 2019	Jun. 30, 2018
Volatility		45.08%
Risk-free interest rate		2.93%
Dividend yield		0.00%
Pre-vest cancellation rate		3.65%
Post-vest cancellation rate		3.21%
Suboptimal exercise factor		1.205%

The post-vest cancellation rate assumption that is used in after cancelling an option of its own shares.

No definition available.

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- Definition

The pre-vest cancellation rate assumption that is used in before cancelling an option of its own shares.

+ References

No definition available.

+ Details

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- Definition

The suboptimal exercise factor of a fair value assumption in a share-based compensation arrangement.

+ References

No definition available.

+ Details

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- Definition

The estimated dividend rate (a percentage of the share price) to be paid (expected dividends) to holders of the underlying shares over the option's term.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (f)(2)(iii)
-URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901

+ Details

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- Definition

The risk-free interest rate assumption that is used in valuing an option on its own shares.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (f)(2)(iv)
-URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901

+ Details

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- Definition

Rate of weighted-average expected volatility for award under share-based payment arrangement.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (f)(2)(ii)
-URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901

+ Details

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