Consolidated Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2017	Jun. 30, 2016
Current assets:
Cash and cash equivalents	$ 17,700	$ 49,700
Other accounts receivable, net of allowance	600	700
Short-term investments	20,900	19,300
Prepaid expenses and other assets	700	2,700
Total current assets	39,900	72,400
Non-current assets:
Property and equipment, net	200	300
Total assets	40,100	72,700
Current liabilities:
Accounts payable	1,400	3,900
Accrued expenses and other current liabilities	2,900	3,600
Short-term note payable	200	400
Liability related to sale of future royalties, current portion	1,400	1,300
Total current liabilities	5,900	9,200
Long-term note payable, net of current portion	100	300
Liability related to sale of future royalties, net of current portion	15,300	16,800
Other long-term liabilities, net of current portion	100	200
Total liabilities	21,400	26,500
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 and 38,640,487 shares issued and outstanding at June 30, 2017 and June 30, 2016, respectively	3,900	3,900
Additional paid-in capital	159,600	157,600
Accumulated other comprehensive income	19,000	19,000
Accumulated deficit	(163,800)	(134,300)
Total stockholders’ equity	18,700	46,200
Total liabilities and stockholders’ equity	$ 40,100	$ 72,700