Income Taxes (FY) (Tables)

12 Months Ended

Dec. 31, 2017

Income Taxes [Abstract]

Statutory to Effective Federal Income Tax Rate Reconciliation

A reconciliation of the statutory U.S. federal income tax rate to the Company's effective tax rate is as follows:

	Year Ended December 31,
	2017			2016			2015
Federal statutory rate		34.0	%		34.0	%		34.0	%
State taxes		1.1	%		1.2	%		2.9	%
Change in Statutory Rate		(25.6	)%		-			-
Permanent differences		(11.0	)%		(10.6	)%		(5.8	)%
Research and development		21.2	%		16.0	%		14.3	%
State taxes/ sale of NOL		4.8	%		4.5	%		3.8	%
Valuation allowance		(19.7	)%		(40.6	)%		(45.8	)%
Other		-			-			0.4	%
Effective tax rate		4.8	%		4.5	%		3.8	%

Deferred Tax Assets

The tax effects of temporary differences that gave rise to significant portions of the deferred tax assets were as follows:

	December 31,
	2017			2016
Federal net operating losses	$	21,312,121		$	23,644,647
State net operating losses		2,268,249			1,554,730
Stock options		1,608,750			1,419,494
Federal tax credit		24,060,243			12,709,438
State tax credits		384,740			353,684
Amortization		612,878			69,529
Accrued expense		7,027			2,731
Other		30,999			18,042
Total gross deferred tax assets		50,285,007			39,772,295
Less valuation allowance		(50,285,007	)		(39,772,295	)
Net deferred tax assets	$	-		$	-