Annual report pursuant to Section 13 and 15(d)

DEBT (Details)

v3.22.4
DEBT (Details)
1 Months Ended 12 Months Ended
May 31, 2022
USD ($)
D
$ / shares
Jun. 30, 2018
USD ($)
item
Dec. 31, 2022
USD ($)
loan
$ / shares
Dec. 31, 2020
USD ($)
Dec. 31, 2021
USD ($)
$ / shares
Jul. 30, 2021
USD ($)
Dec. 09, 2020
$ / shares
Aug. 31, 2020
$ / shares
DEBT                
Proceeds from convertible debt     $ 115,000,000          
Accrued interest rate     6.00% 6.00% 6.00%      
Common stock par value (in dollars per share) | $ / shares     $ 0.0001   $ 0.0001   $ 0.0001 $ 0.0001
Proceeds from PPP loan       $ 5,379,000        
Current portion of long term debt     $ 584,000   $ 825,000      
Dental Arts Labs                
DEBT                
Loan acquired           $ 3,888,000    
AIDRO                
DEBT                
Term of loan     4 years 6 months          
Loan acquired     $ 1,100,000          
Outstanding amount     $ 600,000          
Number of bank loans acquired | loan     3          
Bank loan paid     $ 300,000          
Long-term debt, net of current portion     300,000          
Current portion of long term debt     $ 300,000          
AIDRO | Minimum                
DEBT                
Accrued interest rate     1.70%          
AIDRO | Maximum                
DEBT                
Accrued interest rate     2.10%          
2027 Convertible Notes                
DEBT                
Nominal amount $ 115,000,000.0   $ 115,000,000          
Debt instrument principal amount under initial placement 100,000,000.0              
Debt instrument principal amount under over allotment 15,000,000.0              
Proceeds from convertible debt $ 111,400,000              
Accrued interest rate 6.00%              
Common stock par value (in dollars per share) | $ / shares $ 0.0001              
Debt instrument convertible threshold percentage of stock price trigger 130.00%              
Debt instrument convertible threshold trading days | D 20              
Debt instrument convertible threshold consecutive trading days 30              
Debt instrument convertible threshold consecutive business days | D 5              
Debt instrument convertible threshold consecutive trading day period | D 10              
Debt instrument convertible threshold sale price of common stock conversion rate product percentage maximum 98.00%              
Debt Instrument convertible conversion Ratio 601.5038              
Debt instrument convertible conversion price | $ / shares $ 1.66              
Debt instrument redemption price percentage 130.00%              
Interest rate 6.10%              
Outstanding amount     $ 111,834,000          
2027 Convertible Notes | Maximum                
DEBT                
Debt instrument convertible threshold consecutive trading days 20              
Term loan                
DEBT                
Nominal amount   $ 20,000,000            
Term of loan   36 months            
Proceeds from PPP loan   $ 10,000,000            
Remaining borrowing capacity   $ 10,000,000            
Threshold Number of times additional amount drawn | item   3            
Minimum amount to be drawn   $ 2,000,000            
Paycheck Protection Program | EnvisionTEC, Inc.                
DEBT                
Interest rate     1.00%          
Loan acquired     $ 1,200,000          
Outstanding amount     0          
Equipment Financing Agreements | Dental Arts Labs                
DEBT                
Loan acquired     $ 500,000          
Financing agreement term     13 months          
Advance payment     $ 500,000          
Current portion of long term debt     $ 200,000