Quarterly report pursuant to Section 13 or 15(d)

Stockholders' Equity - Schedule of Outstanding Series C Agent Warrants (Detail)

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Stockholders' Equity - Schedule of Outstanding Series C Agent Warrants (Detail) - Series C Warrants [Member] - $ / shares
6 Months Ended
Dec. 31, 2022
Jun. 30, 2022
Number 2,444 2,444
Number of conversion shares (in thousands) 42,000  
Cumulative common stock dividends 30,000  
Series 1 Warrants Outstanding    
Number 1,929  
Warrants exercise price $ 58.00  
Number of conversion shares (in thousands) 33,000  
Cumulative common stock dividends 23,000  
Series 2 Warrants Outstanding Member    
Number 219  
Warrants exercise price $ 60.70  
Number of conversion shares (in thousands) 4,000  
Cumulative common stock dividends 3,000  
Series 3 Warrants Outstanding    
Number 296  
Warrants exercise price $ 57.50  
Number of conversion shares (in thousands) 5,000  
Cumulative common stock dividends 4,000