Condensed Consolidated Balance Sheets (Current Period Unaudited) - USD ($) $ in Millions	Sep. 30, 2017	Jun. 30, 2017
Current assets:
Cash and cash equivalents	$ 19.6	$ 17.7
Short-term investments	14.5	20.9
Accounts receivable, net of allowance	0.1	0.6
Prepaid and other current assets	0.3	0.7
Total current assets	34.5	39.9
Non-current assets:
Property and equipment, net	0.2	0.2
Total assets	34.7	40.1
Current liabilities:
Accounts payable	1.3	1.4
Accrued expenses	2.2	2.9
Short-term note payable	0.2	0.2
Liability related to sale of future royalties, current portion	1.5	1.4
Total current liabilities	5.2	5.9
Non-current liabilities:
Long-term note payable, net of current portion	0.1	0.1
Liability related to sale of future royalties, net of current portion	15.4	15.3
Other long-term liabilities, net of current portion	0.1	0.1
Total liabilities	20.8	21.4
Commitments and contingencies
Stockholders’ equity:
Preferred stock, $0.10 par value: 5,000,000 shares authorized, no shares issued and outstanding
Common stock, $0.10 par value: 200,000,000 shares authorized; 38,649,237 shares issued and outstanding at September 30, 2017 and June 30, 2017	3.9	3.9
Additional paid-in capital	160.1	159.6
Accumulated other comprehensive income	19.0	19.0
Accumulated deficit	(169.1)	(163.8)
Total stockholders’ equity	13.9	18.7
Total liabilities and stockholders’ equity	$ 34.7	$ 40.1