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Basis of Presentation; Summary of Significant Accounting Policies (Tables)
 9 Months Ended 12 Months Ended
Sep. 30, 2021
Dec. 31, 2020
Accounting Policies [Abstract]    
Schedule of Revenue by Source

The following table sets forth the Company’s revenue by source:

 

  

For the Three Months Ended

September 30,

  

For the Nine Months Ended

September 30,

 
   2021   2020   2021   2020 
Equipment and systems sales  $3,523,948   $1,481,961   $9,933,313   $4,575,855 
Engineering and other services   110,538    114,160    464,269    402,837 
Shipping and handling   71,950    38,548    184,888    148,326 
Total revenue  $3,706,436   $1,634,669   $10,582,470   $5,127,018 

The following table sets forth the Company’s revenue by source:

 

   For the Years Ended December 31, 
   2020   2019 
Equipment and systems sales  $7,730,371   $13,692,863 
Engineering and other services   568,131    1,239,130 
Shipping and handling   215,770    292,461 
Total revenue  $8,514,272   $15,224,454 
Schedule of Remaining Performance Obligations Expected to be Recognized

The remaining performance obligations expected to be recognized through 2022 are as follows:

 

   2021   2022   Total 
Remaining performance obligations related to engineering only paid contracts  $112,000   $1,049,000   $1,161,000 
Remaining performance obligations related to partial equipment paid contracts   3,091,000    5,629,000   $8,720,000 
Total remaining performance obligations  $3,203,000   $6,678,000   $9,881,000 

The remaining performance obligations expected to be recognized through 2022 are as follows:

 

   2021   2022   Total 
Remaining performance obligations related to engineering only paid contracts  $2,355,000   $288,000   $2,643,000 
Remaining performance obligations related to partial equipment paid contracts   5,703,000    102,000   $5,805,000 
Total remaining performance obligations  $8,058,000   $390,000   $8,448,000 
Schedule of Share-based Compensation Costs

The following is a summary of share-based compensation expenses included in the condensed consolidated statements of operations for the three and nine months ended September 30, 2021 and 2020:

 

  

For the Three Months Ended

September 30,

  

For the Nine Months Ended

September 30,

 
   2021   2020   2021   2020 
Share-based compensation expense included in:                    
Cost of revenue  $-   $6,833   $29,944   $23,949 
Advertising and marketing expenses   -    2,500    13,292    7,500 
Product development costs   -    5,444    14,029    16,332 
Selling, general and administrative expenses               29,307    41,221    102,735    306,448 
Total share-based compensation expense included in consolidated statement of operations  $29,307   $55,998   $160,000   $354,229 

The following is a summary of such share-based compensation costs included in the Company’s consolidated statements of operations for the years ended December 31, 2020 and 2019:

 

   For the Years Ended December 31, 
   2020   2019 
Share-based compensation expense included in:          
Cost of revenue  $31,006   $91,081 
Advertising and marketing expenses   8,333    33,977 
Product development costs   21,882    45,330 
Selling, general and administrative expenses   344,396    1,121,677 
Total share-based compensation expense included in consolidated statement of operations  $405,617   $1,292,065