v3.19.1

Recent Accounting Pronouncements - Schedule of Supplemental Lease Information (Detail) $ in Thousands	Mar. 31, 2019 USD ($)
Leases [Abstract]
Operating right of use assets	$ 4,346
Current operating lease liabilities	867
Long-term operating lease liabilities	$ 3,479
Weighted-average remaining lease term in years	5 years 9 months
Weighted-average discount rate	12.00%

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Present value of lessee's discounted obligation for lease payments from operating lease, classified as current.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 45
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Present value of lessee's discounted obligation for lease payments from operating lease, classified as noncurrent.

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Amount of lessee's right to use underlying asset under operating lease.

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Weighted average discount rate for operating lease calculated at point in time.

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Weighted average remaining lease term for operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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