Subsequent Events Subsequent Events (Details) - USD ($) $ / shares in Units, $ in Millions |
3 Months Ended | 12 Months Ended | |||
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May 03, 2019 |
Mar. 31, 2019 |
Dec. 31, 2018 |
May 09, 2019 |
May 06, 2019 |
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Subsequent Event [Line Items] | |||||
Payments for Key-Man Penalties | $ 2.0 | $ 2.0 | |||
Common stock, authorized (in shares) | 50,000,000 | 50,000,000 | |||
Subsequent Event | |||||
Subsequent Event [Line Items] | |||||
Options to purchase shares of common stock (in shares) | 173,000 | ||||
Price per share, common stock options available (in usd per share) | $ 2.48 | ||||
Minimum | Subsequent Event | |||||
Subsequent Event [Line Items] | |||||
Common stock, authorized (in shares) | 50,000,000 | ||||
Maximum | Subsequent Event | |||||
Subsequent Event [Line Items] | |||||
Common stock, authorized (in shares) | 100,000,000 | ||||
Johnson Controls Agreement | Johnson Controls | |||||
Subsequent Event [Line Items] | |||||
Shares of common stock issued (in shares) | 807,436 | ||||
Johnson Controls Agreement | Johnson Controls | Subsequent Event | |||||
Subsequent Event [Line Items] | |||||
Shares of common stock issued (in shares) | 807,436 |
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- Definition Payments for Key-Man Penalties No definition available.
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- Definition The maximum number of common shares permitted to be issued by an entity's charter and bylaws. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Gross number of share options (or share units) granted during the period. No definition available.
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- Definition Number of shares of stock issued as of the balance sheet date, including shares that had been issued and were previously outstanding but which are now held in the treasury. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Per share or per unit amount of equity securities issued. No definition available.
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- Definition Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event. No definition available.
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