INCOME TAXES - Net Deferred Tax Liabilities (Details) - USD ($)	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016
Deferred Income Tax Expense
Federal net operating loss carryforwards	$ 167,000
Research and development credit carryforward	131,000	$ 77,000
State net operating loss carryforwards	834,000
Valuation allowance	91,000	60,000
Change in valuation allowance	31,000	15,000
Change in valuation allowance related to Tax Cuts and Jobs Act of 2017	15,000
Unrecognized tax benefits	0	$ 0
Federal
Deferred Income Tax Expense
Research and development credit carryforward	40,000
State
Deferred Income Tax Expense
State net operating loss carryforwards	$ 115,000