Condensed Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2017	Jun. 30, 2017
Current assets:
Cash and cash equivalents	$ 7,339	$ 8,458
Short term investments	35,102	45,107
Total cash, cash equivalents and short-term investments	42,441	53,565
Prepaid expenses and other current assets	772	1,758
Total current assets	43,213	55,323
Intangible assets, net	314	331
Property and equipment, net	40	50
Total assets	43,567	55,704
Current liabilities:
Accounts payable	1,089	585
Accrued liabilities	3,230	3,285
Deferred revenues	890	996
Total current liabilities	5,209	4,866
Commitments and contingencies (Note 5)
Stockholders' equity:
Preferred stock, $0.01 par value; 100 shares authorized; none outstanding
Common stock, $0.00000002 par value; 113,000 shares authorized; 37,052 and 36,772 shares issued and outstanding at December 31, 2017 and June 30, 2017, respectively	0	0
Additional paid-in-capital	227,556	225,169
Accumulated deficit	(189,198)	(174,331)
Total stockholders' equity	38,358	50,838
Total liabilities and stockholders' equity	$ 43,567	$ 55,704

Carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Carrying value as of the balance sheet date of obligations incurred and payable, pertaining to costs that are statutory in nature, are incurred on contractual obligations, or accumulate over time and for which invoices have not yet been received or will not be rendered. Examples include taxes, interest, rent and utilities. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).