Note 8 - Revenue (Details) T in Millions	Jun. 30, 2022 T
Contracts with Indexed Based Pricing Mechanisms
REVENUES
Outstanding performance obligation, mass	0.2
Fixed Priced Contracts
REVENUES
Outstanding performance obligation, mass	1.1

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

No definition available.

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Balance Type:	na
Period Type:	duration