Class Of Warrant Or Right, Covenant, Earnings Before Interest, Tax, Depreciation And Amortization, Minimum

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- Definition

Class Of Warrant Or Right, Covenant, Net Book Value Per Share, Minimum

+ References

No definition available.

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- Definition

Class Of Warrant Or Right, Volume Weighted Average Share Price Percentage

+ References

No definition available.

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- Definition

Share-Based Compensation Arrangement By Share-Based Payment Award, Non-Option Equity Instruments, Exercisable, Weighted Average Remaining Contractual Term

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No definition available.

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- Definition

Stock Issued During Period, Shares, Warrants Exercised

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- Definition

Warrant, Exercise Price, Amount, Decrease

+ References

No definition available.

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- Definition

Warrants And Rights Outstanding, Trading Period

+ References

No definition available.

+ Details

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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- Definition

Minimum percentage of common stock price to conversion price of convertible debt instruments to determine eligibility of conversion.

+ References

No definition available.

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- Definition

The cash inflow associated with the amount received from holders exercising their stock warrants.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 14
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3255-108585

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- Definition

Value of outstanding derivative securities that permit the holder the right to purchase securities (usually equity) from the issuer at a specified price.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08.(i))
-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690

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Weichai Transactions - Weichai Warrant (Details) - USD ($)						3 Months Ended
	May 03, 2019	Apr. 23, 2019	Apr. 01, 2019	Oct. 01, 2018	Sep. 30, 2018	Dec. 31, 2018	Dec. 31, 2016
Share Purchase Agreement, Weichai Transaction
Class of Warrant or Right [Line Items]
EBITDA, minimum							$ 22,000,000
Net book value per share, minimum (in dollars per share)							$ 8
Aggregate amount							$ 15,000,000
Share Purchase Agreement, Weichai Transaction \| Subsequent Event
Class of Warrant or Right [Line Items]
Volume weighted average share price percentage					50.00%	85.00%
Trading period						20 days
Exercisable (term)						90 days
Share Purchase Agreement, Second Amended And Restated Warrant \| Subsequent Event
Class of Warrant or Right [Line Items]
Volume weighted average share price percentage				50.00%	50.00%
Trading period				20 days	20 days
Exercisable (term)					90 days
Share Purchase Agreement, Second Amended And Restated Warrant \| Subsequent Event \| Maximum
Class of Warrant or Right [Line Items]
Reduction of exercise price				$ 15,000,000
Series B \| Share Purchase Agreement, Second Amended And Restated Warrant \| Subsequent Event
Class of Warrant or Right [Line Items]
Percent ownership of outstanding common stock	51.50%		51.00%
Exercise proceeds for the warrants		$ 1,600,000
Exercise of private placement warrants (in shares)		4,049,759