Note 7 - Accrued Liabilities
|6 Months Ended|
Jun. 30, 2019
|Notes to Financial Statements|
|Accounts Payable and Accrued Liabilities Disclosure [Text Block]||
Accrued liabilities as of
June 30, 2019and
December 31, 2018consisted of the following:
The entire disclosure for accounts payable and accrued liabilities at the end of the reporting period.
Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
No definition available.