Fair Value of Financial Instruments (Details) - USD ($) $ in Thousands			2 Months Ended	12 Months Ended
	Nov. 03, 2016	Jul. 26, 2016	Dec. 31, 2016	Dec. 31, 2017	Dec. 31, 2016
Fair value of Level 3 [Roll Forward]
Warrant issuance				$ 509	$ 0
Change in fair value				1,475	818
Ending balance			$ 1,843	0	1,843
Fair Value Assumptions [Abstract]
Risk-free interest rates, adjusted for continuous compounding	1.33%	0.94%
Term	5 years 6 months	3 years 6 months
Expected volatility	41.40%	78.00%
Fair Value Transfers between levels [Abstract]
Level 1 to Level 2 Asset Transfers			0	0	0
Level 2 to Level 1 Asset Transfers			0	0	0
Level 1 to Level 2 Liability Transfers			0	0	0
Level 2 to Level 1 Liability Transfers			0	0	$ 0
Minimum [Member]
Fair Value Assumptions [Abstract]
Risk-free interest rates, adjusted for continuous compounding					1.47%
Term					3 years 1 month 6 days
Expected volatility					55.30%
Maximum [Member]
Fair Value Assumptions [Abstract]
Risk-free interest rates, adjusted for continuous compounding					1.96%
Term					5 years 3 months 18 days
Expected volatility					49.80%
Level 3 [Member]
Fair value of Level 3 [Roll Forward]
Change in fair value			(818)	(1,475)
Exercise of warrants				(368)
Ending balance			$ 1,843	$ 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