Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2019	Jun. 30, 2018
Current assets:
Cash and cash equivalents	$ 26,703	$ 31,065
Investments	55,292	73,840
Grants receivable	13	210
Prepaid and other current assets	2,276	4,009
Total current assets	84,284	109,124
Property and equipment, net	4,430	5,254
Intangible assets, net	1,013	968
Investment in Bionic Sight	1,945	1,980
Other assets	544	1,206
Total assets	92,216	118,532
Current liabilities:
Accounts payable	1,331	945
Accrued and other liabilities	8,024	7,155
Deferred revenue		6,295
Total current liabilities	9,355	14,395
Deferred revenue, net of current portion		610
Other long-term liabilities	4,152	4,345
Total liabilities	13,507	19,350
Commitments and contingencies
Stockholders' equity:
Common stock, par value $.001 per share, 150,000 shares authorized; 18,226 and 18,137 shares issued; 18,207 and 18,126 shares outstanding as of June 30, 2019, and 2018, respectively	18	18
Additional paid-in capital	214,324	210,139
Shares held in treasury of: 19 and 11 as of June 30, 2019 and 2018 respectively	(85)	(49)
Accumulated deficit	(135,548)	(110,926)
Total stockholders' equity	78,709	99,182
Total liabilities and stockholders' equity	$ 92,216	$ 118,532