Debt - MidCap Facility Agreement (Details) - Amended credit facility with MidCap - USD ($)		6 Months Ended	8 Months Ended
	Mar. 08, 2018	Jun. 30, 2018	Aug. 31, 2018
Line of Credit Facility [Line Items]
Line of credit facility periodic payments maturity period		2018-08
Unamortized debt discount		$ 1,200,000
Minimum liquidity covenant amount	$ 5,000,000
Latest date of minimum liquidity covenant	2019-03
Maximum
Line of Credit Facility [Line Items]
Effective date of financial covenants of Amended Credit Facility	2019-04
Minimum
Line of Credit Facility [Line Items]
Effective date of financial covenants of Amended Credit Facility	2018-04
Line of credit | Maximum
Line of Credit Facility [Line Items]
Debt default, interest rate increase		5.00%
Forecast
Line of Credit Facility [Line Items]
Monthly term loan payments			$ 300,000
Revolving credit facility
Line of Credit Facility [Line Items]
Maximum borrowing capacity		$ 22,500,000
Line of credit		$ 8,200,000
Interest rate		7.91%
Revolving credit facility | LIBOR
Line of Credit Facility [Line Items]
Interest rate description		LIBOR plus 6.0%
Basis spread		6.00%
Term loan
Line of Credit Facility [Line Items]
Maximum borrowing capacity		$ 5,000,000
Line of credit		$ 600,000
Floor on interest rate		9.50%
Interest rate		9.91%
Term loan | LIBOR
Line of Credit Facility [Line Items]
Interest rate description		("LIBOR") plus 8.0%
Basis spread		8.00%