General form of registration statement for all companies including face-amount certificate companies

Consolidated Statement of Changes in Stockholders Deficit

v3.23.2
Consolidated Statement of Changes in Stockholders Deficit
shares in Thousands, $ in Thousands
 12 Months Ended
May 31, 2022
USD ($)
shares
Preferred Stock | Private Warrant Exchange [Member]  
Statement [Line Items]  
Conversion of preferred stock to common stock (in shares) | shares (61)
Preferred Stock  
Statement [Line Items]  
Beginning balance (shares) | shares 96
Ending balance (shares) | shares 35
Common Stock | Private Warrant Exchange [Member]  
Statement [Line Items]  
Conversion of preferred stock to common stock $ 3
Conversion of preferred stock to common stock (in shares) | shares 3,200
Warrant exercises $ (8)
Warrant exercises (in shares) | shares 7,920
Common Stock | Private Equity Offering  
Statement [Line Items]  
Stock issued for compensation and tendered for income tax $ 2
Stock issued for compensation and tendered for income tax (in shares) | shares 2,582
Common Stock  
Statement [Line Items]  
Beginning balance $ 626
Beginning balance (shares) | shares 626,123
Issuance of stock for convertible note repayment $ 37
Issuance of stock for convertible note repayment (in shares) | shares 37,110
Stock option exercises $ 1
Stock option exercises (in shares) | shares 510
Stock issued for private offerings $ 38
Stock issued for private offerings (in shares) | shares 38,035
Warrant exercises $ 2
Warrant exercises (in shares) | shares 1,642
Inducement interest expense related to private warrant exchange $ (2)
Inducement interest expense related to private warrant exchange (in shares) | shares 2,293
Dividends accrued on Series C and D convertible preferred stock (in shares) | shares 613
Preferred stock dividends accrued and paid in common stock $ 1
Ending balance $ 720
Ending balance (shares) | shares 720,028
Treasury Stock  
Statement [Line Items]  
Beginning balance (shares) | shares 443
Ending balance (shares) | shares 443
Additional Paid-in Capital | Private Warrant Exchange [Member]  
Statement [Line Items]  
Conversion of preferred stock to common stock $ (3)
Warrant exercises (5,382)
Additional Paid-in Capital | Private Equity Offering  
Statement [Line Items]  
Stock issued for compensation and tendered for income tax 666
Additional Paid-in Capital  
Statement [Line Items]  
Beginning balance 532,031 [1]
Issuance of stock for convertible note repayment 68,344
Issuance of legal settlement, warrants 2,863
Stock option exercises 389
Stock issued for private offerings 46,473
Issuance costs related to stock issued for private offerings (5,316)
Warrant exercises 1,034
Inducement interest expense related to private warrant exchange (6,689)
Reclassification of warrants from liability to equity classified 6,585
Preferred stock dividends accrued and paid in common stock 305
Stock-based compensation 5,571
Finance charges related to warrant issuance for surety bond backstop agreement 6,585
Ending balance 671,013
Accumulated Deficit  
Statement [Line Items]  
Beginning balance (553,675) [1]
Preferred stock dividends accrued and paid in common stock (1,636)
Net loss (210,820)
Ending balance (766,131)
Private Warrant Exchange [Member]  
Statement [Line Items]  
Warrant exercises (5,390)
Private Equity Offering  
Statement [Line Items]  
Stock issued for compensation and tendered for income tax 668
Beginning balance (21,018) [1]
Issuance of stock for convertible note repayment 68,381
Loss on induced conversion 37,381
Issuance of legal settlement, warrants 2,863
Stock option exercises $ 390
Stock option exercises (in shares) | shares 500
Stock issued for private offerings $ 46,511
Stock issued for private offerings (in shares) | shares 7,900
Issuance costs related to stock issued for private offerings $ (5,316)
Warrant exercises $ 1,036
Warrant exercises (in shares) | shares 1,400
Inducement interest expense related to private warrant exchange $ (6,691)
Reclassification of warrants from liability to equity classified 6,585
Preferred stock dividends accrued and paid in common stock (1,330)
Stock-based compensation 5,571
Finance charges related to warrant issuance for surety bond backstop agreement 6,585
Net loss (210,820)
Ending balance $ (94,398)
[1] See Note 2, Summary of Significant Accounting Policies—Revision and Restatement of Financial Statements.