Value of stock issued as a result of the exercise of warrants.

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- Definition

Amount of expense (income) related to adjustment to fair value of warrant liability.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
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-Publisher FASB
-Name Accounting Standards Codification
-Topic 480
-SubTopic 10
-Section 25
-Paragraph 13
-URI http://asc.fasb.org/extlink&oid=109262497&loc=d3e20148-110875

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- Definition

Amount of transfers of assets measured on a recurring basis out of Level 1 of the fair value hierarchy into Level 2.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (bb)
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Amount of transfers of assets measured on a recurring basis out of Level 2 of the fair value hierarchy into Level 1.

+ References

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- Definition

Amount of transfers of liabilities measured on a recurring basis out of Level 1 of the fair value hierarchy into Level 2.

+ References

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- Definition

Amount of transfers of liabilities measured on a recurring basis out of Level 2 of the fair value hierarchy into Level 1.

+ References

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- Definition

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

+ References

No definition available.

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- Definition

Value of preferred stock and warrants for common stock issued.

+ References

No definition available.

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- References

No definition available.

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- Definition

Value of outstanding derivative securities that permit the holder the right to purchase securities (usually equity) from the issuer at a specified price.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08.(i))
-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690

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- Definition

Value of input used to measure outstanding warrant and right embodying unconditional obligation requiring redemption by transferring asset at specified or determinable date or upon event certain to occur.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (bbb)(2)
-URI http://asc.fasb.org/extlink&oid=99377789&loc=d3e19207-110258

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- Definition

Period between issuance and expiration of outstanding warrant and right embodying unconditional obligation requiring redemption by transferring asset at specified or determinable date or upon event certain to occur, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
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-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
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Fair Value of Financial Instruments (FY) (Details) $ in Thousands			2 Months Ended	3 Months Ended		9 Months Ended		12 Months Ended
	Nov. 03, 2016 USD ($)	Jul. 26, 2016 USD ($)	Dec. 31, 2016 USD ($)	Sep. 30, 2018 USD ($)	Sep. 30, 2017 USD ($)	Sep. 30, 2018 USD ($)	Sep. 30, 2017 USD ($)	Dec. 31, 2017 USD ($)	Dec. 31, 2016 USD ($)	Feb. 15, 2017
Fair value of Level 3 [Roll Forward]
Warrant issuance						$ 0	$ 509	$ 509	$ 0
Change in fair value				$ 0	$ 4	0	1,470	1,475	818
Ending balance			$ 1,843					0	1,843
Fair Value Transfers between levels [Abstract]
Level 1 to Level 2 Asset Transfers			0	0		0		0	0
Level 2 to Level 1 Asset Transfers			0	0		0		0	0
Level 1 to Level 2 Liability Transfers			0	0		0		0	0
Level 2 to Level 1 Liability Transfers			$ 0	$ 0		$ 0		0	$ 0
Risk-Free Interest Rates, Adjusted for Continuous Compounding [Member]
Fair Value Assumptions [Abstract]
Fair value assumptions measurement input	0.0133	0.0094
Risk-Free Interest Rates, Adjusted for Continuous Compounding [Member] \| Minimum [Member]
Fair Value Assumptions [Abstract]
Fair value assumptions measurement input			0.0147						0.0147	0.0145
Risk-Free Interest Rates, Adjusted for Continuous Compounding [Member] \| Maximum [Member]
Fair Value Assumptions [Abstract]
Fair value assumptions measurement input			0.0196						0.0196	0.0199
Term [Member]
Fair Value Assumptions [Abstract]
Term	5 years 6 months	3 years 6 months
Term [Member] \| Minimum [Member]
Fair Value Assumptions [Abstract]
Term			3 years 1 month 6 days						3 years 1 month 6 days	2 years 10 months 2 days
Term [Member] \| Maximum [Member]
Fair Value Assumptions [Abstract]
Term			5 years 3 months 18 days						5 years 3 months 18 days	5 years 6 months
Expected Volatility [Member]
Fair Value Assumptions [Abstract]
Fair value assumptions measurement input	0.4140	0.7800
Expected Volatility [Member] \| Minimum [Member]
Fair Value Assumptions [Abstract]
Fair value assumptions measurement input			0.498						0.498	0.499
Expected Volatility [Member] \| Maximum [Member]
Fair Value Assumptions [Abstract]
Fair value assumptions measurement input			0.5530						0.5530	0.585
Level 3 [Member]
Fair value of Level 3 [Roll Forward]
Change in fair value			$ (818)				(1,469)	(1,475)
Exercise of warrants							368	(368)
Ending balance			$ 1,843		$ 6		$ 6	$ 0	$ 1,843
Level 3 [Member] \| Warrants Issued July 26 2016 [Member]
Fair value of Level 3 [Roll Forward]
Warrant issuance		$ 1,883
Level 3 [Member] \| Warrants Issued November 3 2016 [Member]
Fair value of Level 3 [Roll Forward]
Warrant issuance	$ 778