Quarterly report pursuant to Section 13 or 15(d)

Cover
- Document and Entity Information
Financial Statements
Notes to Financial Statements
Accounting Policies
- Summary of Significant Accounting Policies (Policies)
Notes Tables
Notes Details

Commitments and Contingencies (Details)

v3.19.2

Commitments and Contingencies (Details) - USD ($)						6 Months Ended
Commitments and Contingencies (Details) - USD ($)	Mar. 01, 2019	Feb. 20, 2019	Dec. 03, 2018	Jun. 24, 2018	Apr. 19, 2018	Jun. 30, 2019
Payments for Key-Man penalties						$ 2,000,000
One-time fee payable		$ 500,000
Minimum
Exercise period of stock options					90 days
Maximum
Exercise period of stock options					2 years
Interstate Battery Systems International, Inc. \| Warrant 1
Commitment paid per occurrence				$ 2,000,000
One-time fee payable				$ 500,000
Johnson Controls Agreement \| Johnson Controls
Commitment paid per occurrence						$ 1,000,000
Shares of common stock issued (in shares)						807,436
Dr. Stephen Clarke \| Employment Agreement
Severance benefits					$ 900,000
Expense related to stock option awards					$ 15,000,000
Mr. Mould
Severance benefits			$ 900,000
Cash severance payment			$ 100,000
Common shares, volume weighted-average price	$ 33,333

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