LEASES - Future Minimum Lease Payments to Discounted Finance Lease Liability (Details) - USD ($)	Mar. 31, 2019	Jan. 01, 2019	Dec. 31, 2018
Years ending December 31,
2019	$ 51,449
2020	44,204
2021	22,131
2022	4,973
2023	0
Thereafter	0
Total future minimum lease payments	122,757
Less: Amount representing interest	5,985
Present value of future payments	116,772	$ 132,488
Current financing lease liability	65,098		$ 0
Long-term financing lease liability	$ 51,674		$ 0