v3.26.1
Summary of Significant Accounting Policies (Details Narrative) - USD ($)
 6 Months Ended 12 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Dec. 31, 2025
Product Information [Line Items]      
Cumulative net losses $ 593,697,000   $ 583,368,000
Short-term investments $ 0   $ 0
Expected credit loss on investments or accrued interest, description The Company did not have any material expected credit losses on investments or material expected credit losses on accrued interest related to investments during the six months ended June 30, 2026, or year ended December 31, 2025.   The Company did not have any material expected credit losses on investments or material expected credit losses on accrued interest related to investments during the six months ended June 30, 2026, or year ended December 31, 2025.
Accounts receivable $ 7,549,000   $ 5,847,000
Remaining performance obligations 9,300,000    
Contract with customer liability revenue recognized 3,400,000 $ 4,900,000  
Capitalized contract cost $ 200,000   100,000
Expected dividend rate 0.00%    
Expected volatility 71.00%    
Expected term 6 years 3 months    
Series A Convertible Preferred Stock [Member]      
Product Information [Line Items]      
Antidilutive securities 51,178,184    
Stock Options and Stock Appreciation Rights [Member]      
Product Information [Line Items]      
Antidilutive securities 4,659,255    
Weighted average exercise price $ 3.29    
Restricted Stock [Member]      
Product Information [Line Items]      
Antidilutive securities 2,446,321    
2021 CEO Performance Award Unit Grant [Member]      
Product Information [Line Items]      
Antidilutive securities 13,000,000    
Unearned Restricted Shares [Member]      
Product Information [Line Items]      
Antidilutive securities 0    
Revenue From System Delivery and Installation [Member] | Product Concentration Risk [Member]      
Product Information [Line Items]      
Concentration risk percentage 20.00% 31.00%  
Disposable Revenue [Member] | Product Concentration Risk [Member]      
Product Information [Line Items]      
Concentration risk percentage 41.00% 34.00%  
Other Recurring Revenue [Member] | Product Concentration Risk [Member]      
Product Information [Line Items]      
Concentration risk percentage 39.00% 35.00%  
Systems [Member]      
Product Information [Line Items]      
Warranty costs $ 100,000 $ 100,000  
Royalty [Member]      
Product Information [Line Items]      
Royalty revenue 0 $ 0  
Robocath [Member]      
Product Information [Line Items]      
Accounts receivable 1,100,000    
Maximum [Member]      
Product Information [Line Items]      
Accrued interest receivable on investments $ 100,000   $ 100,000