REVENUE AND DEFERRED REVENUE (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Revenue And Deferred Revenue [Line Items]
Revenues	$ 3,469,681	$ 5,083,850	$ 7,071,281	$ 11,271,597
Professional services
Revenue And Deferred Revenue [Line Items]
Revenues	1,069,263	2,602,127	2,241,888	6,372,468
ASP and hosting revenue
Revenue And Deferred Revenue [Line Items]
Revenues	1,902,507	2,028,704	3,835,851	4,032,595
Maintenance revenue
Revenue And Deferred Revenue [Line Items]
Revenues	492,998	443,471	984,919	825,989
Sale of equipment
Revenue And Deferred Revenue [Line Items]
Revenues	0	0	0	23,797
Other revenue
Revenue And Deferred Revenue [Line Items]
Revenues	$ 4,913	$ 9,548	$ 8,623	$ 16,748