XML 33 R25.htm IDEA: XBRL DOCUMENT v3.22.1
Goodwill and Other Intangible Assets (Tables)
12 Months Ended
Dec. 31, 2021
Goodwill and Intangible Assets Disclosure [Abstract]  
Schedule of intangible assets other than goodwill and related accumulated amortization
  

December 31,
2021

  

December 31,
2020

 
Pro-Tech customer relationships  $129,680   $129,680 
Pro-Tech trademark   42,840    42,840 
Accumulated amortization & impairment   (58,944)   (41,693)
Other intangible assets, net  $113,575   $130,827