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Condensed Consolidated Balance Sheets - USD ($)
$ in Thousands
Dec. 31, 2018
Jun. 30, 2018
Current assets    
Cash and cash equivalents $ 2,846 $ 552
Short-term investments   3,551
Accounts receivable, net of allowance 8 12
Prepaid expenses and other current assets 236 161
Total current assets 3,090 4,276
Property and equipment, net 595 733
Long-term investments   50
Other assets, net 81 81
Total assets 3,766 5,140
Current liabilities    
Accounts payable 219 112
Payroll-related accruals 392 412
Accrued liabilities and other 336 434
Income tax payable 2 2
Total current liabilities 949 960
Other liabilities 167 188
Total liabilities 1,116 1,148
Commitments and contingencies (Note 12)
Stockholders’ equity    
Preferred stock, $0.001 par value, convertible, 2,500,000 shares authorized; no shares issued and outstanding at December 31, 2018 and June 30, 2018, respectively
Common stock, $0.001 par value, 15,000,000 shares authorized; 5,970,885 and 4,496,873 shares issued at December 31, 2018 and June 30, 2018, respectively; 5,570,969 and 4,097,346 shares outstanding at December 31, 2018 and June 30, 2018, respectively 190,584 190,570
Treasury stock, 399,916 and 399,527 shares at cost at December 31, 2018 and June 30, 2018, respectively (4,129) (4,128)
Additional paid-in capital 4,757 1,745
Accumulated deficit (188,562) (184,164)
Accumulated other comprehensive loss   (31)
Total stockholders’ equity 2,650 3,992
Total liabilities and stockholders’ equity $ 3,766 $ 5,140