REVENUE - Disaggregation of Revenue (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Disaggregation of Revenue [Line Items]
Total revenue	$ 35,805,858	$ 30,094,154	$ 64,194,321	$ 54,819,600
Product revenue
Disaggregation of Revenue [Line Items]
Total revenue	30,961,996	25,425,489	54,711,913	46,480,212
Paint protection film
Disaggregation of Revenue [Line Items]
Total revenue	24,248,115	21,166,420	44,019,235	39,622,775
Window film
Disaggregation of Revenue [Line Items]
Total revenue	5,954,800	3,171,155	9,044,906	5,004,071
Other
Disaggregation of Revenue [Line Items]
Total revenue	759,081	1,087,914	1,647,772	1,853,366
Service revenue
Disaggregation of Revenue [Line Items]
Total revenue	4,843,862	4,668,665	9,482,408	8,339,388
Software
Disaggregation of Revenue [Line Items]
Total revenue	809,897	775,745	1,661,469	1,519,513
Cutbank credits
Disaggregation of Revenue [Line Items]
Total revenue	1,611,858	2,064,962	3,225,122	3,530,096
Installation labor
Disaggregation of Revenue [Line Items]
Total revenue	2,391,570	1,647,954	4,413,020	2,946,343
Training
Disaggregation of Revenue [Line Items]
Total revenue	$ 30,537	$ 180,004	$ 182,797	$ 343,436