Quarterly report pursuant to Section 13 or 15(d)

Investments - Additional Information (Details)

v3.21.2
Investments - Additional Information (Details) - USD ($)
1 Months Ended 3 Months Ended 9 Months Ended
Jan. 28, 2021
Jun. 30, 2021
Sep. 30, 2021
Mar. 31, 2021
Sep. 30, 2020
Jun. 30, 2020
Sep. 30, 2021
Sep. 30, 2020
Dec. 31, 2020
Stock issued for warrants exercised, shares   5,956,544              
Debt instrument amount funded for transaction             $ 1,666,667    
Part of transaction purchased, amount             $ 3,333,333    
Stock issued for warrants exercised   $ 8,500,000   $ 9,544,623 $ 135,000 $ 2,946,480      
Common stock, par value     $ 0.001       $ 0.001   $ 0.001
Fair value     $ 841,878       $ 841,878    
Shares classified as marketable securities             5,960,829    
Marketable securities shares sold             587,530    
Gain recognized on loan transaction       5,700,000          
Amount of loans receivables acquired       18,200,000          
Cost associated with acquisition of receivables loan       15,500,000          
Proceeds from sale of own shares       32,600,000          
Provision For Investor       $ 11,300,000          
Impairment loss on digital assets     23,720       $ 23,720    
Carrying value of digital assets     1,396,238       1,396,238    
Cumulative impairment on digital assets     24,000       24,000    
Fair market value of digital assets     $ 1,400,000       $ 1,400,000    
Common stock, shares issued     5,414,296       5,414,296   3,083,760
Proceeds from stock subscription               $ 9,447,535  
Class B Shares And Warrants [Member]                  
Unrealized gain (loss) on Securities     $ (100,000)       $ 1,000,000.0    
IPO [Member]                  
Percentage of sponsors initial risk 70.50%                
Proceeds from issuance initial public offering $ 103,500,000                
Gain or loss on equity investment in unconsolidated subsidiary             $ 4,650,000    
IPO [Member] | Stock Warrants [Member]                  
Private warrants hold by sponsors 5,738,000                
Private Placement Warrants [Member] | LMF Acquisition Opportunities Inc [Member] | Stock Warrants [Member]                  
Warrant Exercise Price $ 1.00                
Proceeds from issuance of private placement $ 5,738,000                
LMF Acquisition Opportunities Inc [Member] | Class B Shares And Warrants [Member]                  
Common stock, par value     $ 0.0001       $ 0.0001    
Investments in affiliates shares     5,738,000       5,738,000    
Warrant Exercise Price     $ 11.50       $ 11.50    
Percentage of ownership in subsidiary             70.00%    
Value of shares under acquisition     $ 25,000       $ 25,000    
LMFA Sponsor LLC [Member]                  
Unrealized gain (loss) on Securities             $ 3,626,400    
Purchased aggregate of private placement warrants             5,738,000    
Investment warrants exercise price             $ 1.00    
Class A Common Stock [Member] | IPO [Member] | LMF Acquisition Opportunities Inc [Member]                  
Common stock, par value $ 10.00                
Common stock, shares issued 10,350,000                
Proceeds from stock subscription $ 103,500,000                
Class A Common Stock [Member] | LMFA Sponsor LLC [Member]                  
Investment warrants exercise price             $ 11.50    
Class A And Class B Common Shares [Member] | IPO [Member]                  
Percentage of common stock hold by sponsors 20.00%                
Bitcoin [Member]                  
Purchase of digital assets             $ 909,000    
Ether Cryptocurrency [Member]                  
Purchase of digital assets             $ 511,000    
BORQS Technologies [Member]                  
Marketable securities shares sold             587,530    
Proceeds from sale marketable securities             $ 397,800    
Realized loss on marketable securities             173,300    
Short-term Investments                  
Accrued interest income on convertible security     $ 131,760       131,760    
Remaining Convertible debt with Accrued Interest income             $ 929,195    
Common stock, par value     $ 0.6534       $ 0.6534    
Converted common stock     5,960,829       1,422,091    
Sale of Stock, Price Per Share     $ 0.592       $ 0.592    
Fair value     $ 841,878       $ 841,878    
Unrealized gain (loss) on Securities             (87,316)    
Convertible note     4,100,000            
LMF Acquisition Opportunities Inc [Member]                  
Debt instrument principal amount     5,000,000       5,000,000    
Senior notes     $ 20,000,000       $ 20,000,000    
Debt instrument maturity month and year             2023-02    
Debt instrument, interest rate percentage     8.00%       8.00%    
Debt instrument discount rate percentage             10.00%    
Debt instrument warrant coverage rate             90.00%    
Debt instrument convertible conversion price rate             110.00%    
Stock issued for warrants exercised, shares             2,922,078