Revenue - Estimated Revenue Expected to be Recognized in Future Periods Related to Performance Obligations (Details)	Aug. 04, 2018 USD ($)
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2018-08-05
Revenue from Contract with Customer [Abstract]
Performance obligations expected timing of satisfaction	$ 137,034
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Performance obligation expected to be satisfied, period	6 months
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2019-02-03
Revenue from Contract with Customer [Abstract]
Performance obligations expected timing of satisfaction	$ 1,347,503
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Performance obligation expected to be satisfied, period	1 year
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2020-02-03
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Performance obligation expected to be satisfied, period