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Condensed Consolidated Balance Sheets - USD ($)
$ in Thousands
Dec. 31, 2019
Jun. 30, 2019
Current assets    
Cash and cash equivalents $ 393 $ 1,588
Restricted cash 611  
Accounts receivable 213 3
Inventory:    
Raw materials 274 150
Work-in-process   181
Income tax receivable 214 429
Prepaid expenses and other current assets 313 371
Total current assets 2,018 2,722
Property and equipment, net 351 469
Operating leases, right-of-use assets, net 1,022  
Long-term tax receivable 214 429
Other assets 72 72
Total assets 3,677 3,692
Current liabilities    
Accounts payable 153 160
Payroll related accruals 347 319
Accrued expenses and other liabilities 375 357
Income tax payable 2 2
Term note payable - related party 1,500  
Operating lease liabilities - current 301  
Total current liabilities 2,678 838
Operating lease liabilities, non-current 752  
Other liabilities   146
Total liabilities 3,430 984
Commitments and contingencies (Note 12)
Stockholders’ equity    
Common stock, $0.001 par value, 15,000,000 shares authorized; 6,749,664 and 6,184,698 shares issued at December 31, 2019 and June 30, 2019, respectively; 6,348,137 and 5,775,171 shares outstanding at December 31, 2019 and June 30, 2019, respectively 190,598 190,571
Treasury stock, 399,916 shares at cost at December 31, 2019 and June 30, 2019, respectively (4,129) (4,129)
Additional paid-in capital 9,397 7,964
Accumulated deficit (195,619) (191,698)
Total stockholders’ equity 247 2,708
Total liabilities and stockholders’ equity 3,677 3,692
Convertible Preferred Stock    
Stockholders’ equity    
Convertible preferred stock, $0.001 par value, 2,500,000 shares authorized; 280,898 shares of Series C and 280,898 shares of Series D issued and outstanding at December 31, 2019 and June 30, 2019, respectively