Nature of Business and Significant Accounting Policies (FY) (Tables)

9 Months Ended

12 Months Ended

Sep. 30, 2018

Dec. 31, 2017

Nature of Business and Significant Accounting Policies [Abstract]

Schedule of Inventories

Inventories consisted of the following:

(in thousands)	September 30, 2018		December 31, 2017
Finished Goods	$	810	$	902
Work in Process		91		217
Raw Materials		1,047		469
Total	$	1,948	$	1,588

Inventories are recorded as the lower of cost or market using the first-in, first out method. Inventories consisted of the following as of December 31 (in thousands):

	2017		2016
Finished Goods	$	902	$	644
Work in Process		217		—
Raw Materials		469		33
Total	$	1,588	$	677

Summary of Estimated Useful Lives

Depreciation expense has been calculated using the following estimated useful lives:

Office furniture and equipment	5-15 years
Computer software and equipment	3-4 years
Laboratory and research equipment	3-15 years
Production equipment	3-7 years
Leasehold improvements and capital lease asset	3-5 years

Potential Shares of Common Stock not Included in Diluted Net Loss Per Share

The following table sets forth the potential shares of common stock that are not included in the calculation of diluted net loss per share because to do so would be anti-dilutive as of the end of each period presented:

	September 30
	2018		2017
Stock options		1,987,502		36,874
Restricted stock units		90		324
Warrants to purchase common stock		8,522,672		496,629
Series F convertible preferred stock		266,680		-
Total		10,776,944		533,827

The following table sets forth the potential shares of common stock that are not included in the calculation of diluted net loss per share because to do so would be anti-dilutive as of the end of each period presented:

	December 31,
	2017		2016
Stock options		36,362		4,354
Restricted stock units		245		499
Warrants to purchase common stock		8,522,684		44,268
Series B, C and D convertible preferred stock		—		53,179
Series F convertible preferred stock		842,940		—-
Total		9,402,231		102,300

Schedule of Reconciles Reported Net Loss with Reported Net Loss Per Share

The following table reconciles reported net loss with reported net loss per share for the periods ended September 30, 2017:

(in thousands, except per share amounts)	Three months			Nine Months
Net loss	$	(2,847	)	$	(6,245	)
Deemed dividend to preferred shareholders (see Note 4)		-			(2,851	)
Net loss after deemed dividend		(2,847	)		(9,096	)
Weighted average shares outstanding		626			359
Basic and diluted loss per share	$	(4.55	)	$	(25.36	)

The following table reconciles reported net loss with reported net loss per share for the years ended December 31:

(in thousands, except per share amounts)	2017			2016
Net loss	$	(13,382	)	$	(15,792	)
Deemed dividend to preferred shareholders (see Note 6)		(11,590	)		(1,900	)
Net loss after deemed dividend		(24,972	)		(17,692	)
Weighted average shares outstanding		665			33
Basic and diluted loss per share	$	(37.51	)	$	(536.12	)