ACCRUED EXPENSES AND OTHER CURRENT LIABILITIES (Details) - USD ($)	Mar. 31, 2019	Dec. 31, 2018
Payables and Accruals [Abstract]
Accrued payroll, bonuses and commission costs	$ 5,200,009	$ 6,854,002
Allowance for coupons and returns	5,995,027	5,294,120
Accrued sales and marketing costs	1,590,746	2,288,028
Accrued compensated absences	1,390,396	1,178,110
Allowance for wholesale distributor fees	1,115,689	792,891
Operating lease liability - short term	1,158,286
Accrued legal and accounting expense	690,346	385,824
Accrued research and development	869,188	388,675
Accrued rent		365,155
Accrued rebates	929,022	412,570
Other accrued expenses	668,730	375,573
TOTAL OTHER CURRENT LIABILITIES	$ 19,607,439	$ 18,334,948