Financing Arrangements - Schedule of Key Inputs to Simulation Model Utilized to Estimate Fair Value of Convertible Debentures (Detail) - Convertible Debt [Member]		Dec. 31, 2019 yr	Feb. 21, 2019 yr
Company's Stock Price [Member]
Debt Instrument [Line Items]
Debt Instrument Measurement Input		7.77	11.64
Conversion Price [Member]
Debt Instrument [Line Items]
Debt Instrument Measurement Input		4.00	4.00
Remaining Term (Years) [Member]
Debt Instrument [Line Items]
Debt Instrument Measurement Input		1.97	0.00
Equity Volatility [Member]
Debt Instrument [Line Items]
Debt Instrument Measurement Input		49.00
Risk Free Rate [Member]
Debt Instrument [Line Items]
Debt Instrument Measurement Input		1.57
Probability of Default Event [Member]
Debt Instrument [Line Items]
Debt Instrument Measurement Input	[1]	0.45
Utilization of Forced Conversion [Member]
Debt Instrument [Line Items]
Debt Instrument Measurement Input	[1]	100.00	100.00
Exercise of Default Redemption [Member]
Debt Instrument [Line Items]
Debt Instrument Measurement Input	[1]	100.00
Effective Discount Rate [Member]
Debt Instrument [Line Items]
Debt Instrument Measurement Input	[1]	18.52

[1] Represents a Level 3 unobservable input, as defined in Note 8 - Fair Value Measurements, below.