Annual report pursuant to Section 13 and 15(d)

Revenue from Contracts with Customers - Performance Obligation (Details)

v3.20.1
Revenue from Contracts with Customers - Performance Obligation (Details)
Mar. 31, 2020
USD ($)
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]  
Revenue, Remaining Performance Obligation, Amount $ 105,445
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2020-04-01  
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]  
Revenue, expected timing of recognition, period 1 year
Revenue, Remaining Performance Obligation, Amount $ 18,631