v3.8.0.1
Inventories (Tables)
3 Months Ended
Mar. 31, 2018
Inventories [Abstract]  
Schedule of inventories

  March 31, 2018 December 31, 2017
Raw materials $23,656  $19,342 
Finished goods  1,333   1,165 
Reserve for obsolete inventory  (1,500)  (1,850)
Inventories $23,489  $18,657