Note 9 - Recently Adopted Accounting Pronouncements (Details Textual) - USD ($) |
Mar. 31, 2019 |
Jan. 01, 2019 |
|---|---|---|
| Operating Lease, Right-of-Use Asset | $ 15,300,000 | |
| Operating Lease, Liability, Total | $ 14,679,000 | |
| Accounting Standards Update 2016-02 [Member] | ||
| Operating Lease, Right-of-Use Asset | 15,300,000 | |
| Operating Lease, Liability, Total | $ 15,300,000 |
| X | ||||||||||
- Definition Present value of lessee's discounted obligation for lease payments from operating lease. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Amount of lessee's right to use underlying asset under operating lease. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Details
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