Quarterly report pursuant to Section 13 or 15(d)

Consolidated Balance Sheets

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Consolidated Balance Sheets - USD ($)
$ in Thousands
Nov. 30, 2022
May 31, 2022
Current assets:    
Cash $ 2,403 $ 4,231
Restricted cash 200  
Prepaid expenses 2,854 5,198
Prepaid service fees 1,094 1,086
Total current assets 6,551 10,515
Inventories, net   17,929
Other non-current assets 523 741
Total assets 7,074 29,185
Current liabilities:    
Accounts payable 67,187 67,974
Accrued liabilities and compensation 5,722 8,995
Accrued interest on convertible notes 8,279 5,974
Accrued dividends on convertible preferred stock 4,571 3,977
Convertible notes payable, net 36,931 36,241
Total current liabilities 122,690 123,161
Long-term liabilities:    
Operating leases 353 422
Total liabilities 123,043 123,583
Commitments and Contingencies (Note 9)
Stockholders' deficit:    
Common stock, $0.001 par value; 1,350,000 shares authorized; 825,279 and 720,028 issued, and 824,836 and 719,585 outstanding at November 30, 2022 and May 31, 2022, respectively 825 720
Additional paid-in capital 692,558 671,013
Accumulated deficit (809,352) (766,131)
Total stockholders' deficit (115,969) (94,398)
Total liabilities and stockholders' deficit 7,074 29,185
Series B Convertible Preferred Stock    
Stockholders' deficit:    
Preferred stock
Series C Convertible Preferred Stock    
Current liabilities:    
Accrued dividends on convertible preferred stock 2,184 2,014
Stockholders' deficit:    
Preferred stock
Series D Convertible Preferred Stock    
Current liabilities:    
Accrued dividends on convertible preferred stock 2,387 1,963
Stockholders' deficit:    
Preferred stock