Note 8 - Leases (Details Textual) $ in Millions |
6 Months Ended | ||
|---|---|---|---|
|
Jun. 30, 2019
USD ($)
|
Jun. 30, 2018
USD ($)
|
Jan. 01, 2019 |
|
| Number of Operating Leases | 1 | ||
| Lessee, Operating Lease, Term of Contract | 10 years | ||
| Short-term Lease, Cost | $ 11.9 | ||
| Lessee, Operating Lease, Liability, Payments, Remainder of Fiscal Year | 0.8 | ||
| Lessee, Operating Lease, Liability, Payments, Due Year Two | 1.6 | ||
| Lessee, Operating Lease, Liability, Payments, Due Year Three | 1.6 | ||
| Lessee, Operating Lease, Liability, Payments, Due Year Four | 1.6 | ||
| Operating Lease, Cost | $ 1.3 | $ 1.3 | |
| Lessee, Operating Lease, Discount Rate | 9.75% | ||
| X | ||||||||||
- Definition Discount rate used by lessee to determine present value of operating lease payments. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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| X | ||||||||||
- Definition Amount of lessee's undiscounted obligation for lease payments for operating lease, due in fourth fiscal year following latest fiscal year. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount of lessee's undiscounted obligation for lease payments for operating lease, due in third fiscal year following latest fiscal year. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Amount of lessee's undiscounted obligation for lease payments for operating lease, due in second fiscal year following latest fiscal year. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Amount of lessee's undiscounted obligation for lease payments for operating lease having an initial or remaining lease term in excess of one year due in remainder of fiscal year following latest fiscal year. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Term of lessee's operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Amount of single lease cost, calculated by allocation of remaining cost of lease over remaining lease term. Includes, but is not limited to, single lease cost, after impairment of right-of-use asset, calculated by amortization of remaining right-of-use asset and accretion of lease liability. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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| X | ||||||||||
- Definition Amount of short-term lease cost, excluding expense for lease with term of one month or less. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Represents the number of operating leases in existence as of a specified date. No definition available.
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