XML 55 R42.htm IDEA: XBRL DOCUMENT v3.10.0.1
Note 2 - Summary of Significant Accounting Policies - Financial Assets and Liabilities Measured at Fair value (Details) - Fair Value, Measurements, Recurring [Member] - USD ($)
$ in Thousands
Jun. 30, 2018
Jun. 30, 2017
Cash and cash equivalents $ 2,600 $ 5,932
Fair Value, Inputs, Level 1 [Member]    
Cash and cash equivalents 2,600 5,932
Fair Value, Inputs, Level 2 [Member]    
Cash and cash equivalents
Fair Value, Inputs, Level 3 [Member]    
Cash and cash equivalents