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Note 4 - Accrued and Other Current Liabilities
3 Months Ended
Sep. 30, 2016
Notes to Financial Statements  
Accounts Payable, Accrued Liabilities, and Other Liabilities Disclosure, Current [Text Block]
(4)
Accrued and Other Current Liabilities
 
Accrued expenses consist of the following (in millions):
  
 
 
September 30
,
201
6
 
 
June
30,
201
6
 
                 
Professional fees
  $ 0.6     $ 0.1  
Salary and benefits
    0.3       0.6  
Research and development expenses
    4.6       2.2  
Other accrued expenses
    0.1       0.7  
Total accrued expenses and other liabilities
  $ 5.6     $ 3.6