XML 86 R69.htm IDEA: XBRL DOCUMENT
v3.10.0.1

Stockholders' Equity - Additional Information (Detail) |  |  | 12 Months Ended
--- | --- | --- | ---
Dec. 30, 2018 shares | Apr. 19, 2016 | Dec. 31, 2018 USD ($) shares | Dec. 31, 2017 USD ($) shares | Dec. 31, 2016 USD ($) Employee shares
Stockholders Equity [Line Items] |  |  |  |  |
Incremental fair value of modified award | $ |  |  | $ 169,000 | $ 451,000 | $ 469,000
Requisite service period reorganization of stock on strait-line basis |  |  |  |  | 3 years
Number of shares converted |  |  | 1,400,000 |  |
2018 Restricted Stock [Member] |  |  |  |  |
Stockholders Equity [Line Items] |  |  |  |  |
Restricted stock, vesting percentage per year |  |  | 33.33% |  |
Restricted stock, vesting period |  |  | 3 years |  |
2018 Restricted Stock [Member] | Tranche Three [Member] |  |  |  |  |
Stockholders Equity [Line Items] |  |  |  |  |
Restricted stock, vesting percentage |  |  | 100.00% |  |
2017 Restricted Stock [Member] |  |  |  |  |
Stockholders Equity [Line Items] |  |  |  |  |
Restricted stock, vesting percentage per year |  |  |  | 33.33% |
Restricted stock, vesting period |  |  |  | 3 years |
2017 Restricted Stock [Member] | Tranche Two [Member] |  |  |  |  |
Stockholders Equity [Line Items] |  |  |  |  |
Restricted stock, vesting percentage |  |  |  | 100.00% |
2016 Restricted Stock [Member] |  |  |  |  |
Stockholders Equity [Line Items] |  |  |  |  |
Restricted stock, vesting percentage per year |  |  |  |  | 33.33%
Restricted stock, vesting period |  |  |  |  | 3 years
2016 Restricted Stock [Member] | Tranche One [Member] |  |  |  |  |
Stockholders Equity [Line Items] |  |  |  |  |
Restricted stock, vesting percentage |  |  |  |  | 100.00%
Restricted Stock [Member] |  |  |  |  |
Stockholders Equity [Line Items] |  |  |  |  |
Awards granted |  |  | 369,350 | 469,465 | 850,771
Incremental fair value of modified award | $ |  |  |  |  | $ 1,500,000
Restricted Stock Units (RSUs) [Member] |  |  |  |  |
Stockholders Equity [Line Items] |  |  |  |  |
Awards granted |  |  | 35,511 | 37,992 | 27,654
Vesting description |  |  | Vesting occurs upon the earliest to occur: (i) the director’s separation from service, (ii) the third anniversary of the grant date, or (iii) the occurrence of a change of control as defined by the agreement. |  |
Performance Based Restricted Stock [Member] |  |  |  |  |
Stockholders Equity [Line Items] |  |  |  |  |
Awards granted | 210,602 |  |  |  |
2016 Plan [Member] |  |  |  |  |
Stockholders Equity [Line Items] |  |  |  |  |
Long term incentive plan, effective date |  |  |  |  | Apr. 19, 2016
Term of long term incentive plan |  | 10 years |  |  |
Aggregate number of shares reserved and available for issuance |  |  | 1,825,150 |  | 2,750,000
Minimum exercise price of stock option at grant date |  |  | No less than 100% of the fair market value, as defined in the 2016 Plan, of the shares on the date of grant. |  |
Percentage of fair market value |  |  |  |  | 100.00%
Maximum term of stock option |  |  |  |  | 10 years
Options granted |  |  | 0 | 0 | 0
2008 Plan [Member] |  |  |  |  |
Stockholders Equity [Line Items] |  |  |  |  |
Awards granted |  |  |  |  | 0
Shares surrendered by the number of employees | Employee |  |  |  |  | 4
Number of shares surrendered by the employee during the period |  |  |  |  | 280,000
Options vest at a percentage rate for first 5 years |  |  | 16.50% |  |
Options final year vesting |  |  | end of the sixth year |  |
Total stock based compensation expense not yet recognized, relating to non-vested restricted stock and stock options | $ |  |  | $ 3,228,000 |  |

X
- Definition Exercise price of stock option as percentage of fair market value. + References No definition available. + Details
Name: | lxu_ExercisePriceOfStockOptionAsPercentageOfFairMarketValue
Namespace Prefix: | lxu_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Long term incentive plan effective date. + References No definition available. + Details
Name: | lxu_LongTermIncentivePlanEffectiveDate
Namespace Prefix: | lxu_
Data Type: | xbrli:dateItemType
Balance Type: | na
Period Type: | duration

X
- Definition Maximum term of stock options. + References No definition available. + Details
Name: | lxu_MaximumTermOfStockOptions
Namespace Prefix: | lxu_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Minimum exercise price of stock option at the grant date. + References No definition available. + Details
Name: | lxu_MinimumExercisePriceOfStockOptionGrantDate
Namespace Prefix: | lxu_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Share based compensation arrangement by share based payment award award vesting rights percentage per year. + References No definition available. + Details
Name: | lxu_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingRightsPercentagePerYear
Namespace Prefix: | lxu_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of shares surrendered by the employee during the period. + References No definition available. + Details
Name: | lxu_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesSurrendered
Namespace Prefix: | lxu_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Share based compensation arrangement by share based payment award number surrendered by number of employees. + References No definition available. + Details
Name: | lxu_ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesSurrenderedByNumberOfEmployees
Namespace Prefix: | lxu_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition Options vested at percentage rate for first five years. + References No definition available. + Details
Name: | lxu_ShareBasedCompensationArrangementByShareBasedPaymentAwardVestedAtPercentageRateForFirstFiveYears
Namespace Prefix: | lxu_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Share based compensation arrangement by share based payment award vesting final year. + References No definition available. + Details
Name: | lxu_ShareBasedCompensationArrangementByShareBasedPaymentAwardVestingFinalYear
Namespace Prefix: | lxu_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Stockholders equity. + References No definition available. + Details
Name: | lxu_StockholdersEquityLineItems
Namespace Prefix: | lxu_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Aggregate number of common shares reserved for future issuance. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.29) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_CommonStockCapitalSharesReservedForFutureIssuance
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Definition Unrecognized cost of unvested share-based compensation awards. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (i) -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901 + Details
Name: | us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Estimated period over which an employee is required to provide service in exchange for the equity-based payment award, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901 + Details
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardRequisiteServicePeriod1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Period which an employee's right to exercise an award is no longer contingent on satisfaction of either a service condition, market condition or a performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901 + Details
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Description of award terms as to how many shares or portion of an award are no longer contingent on satisfaction of either a service condition, market condition or a performance condition, thereby giving the employee the legal right to convert the award to shares, to sell the shares, and be entitled to the cash proceeds of such sale. For example, vesting may be expressed as being 25 percent of the shares under option on each anniversary of the grant date. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901 + Details
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingRights
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2)(iii)(1) -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901 + Details
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901 + Details
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Definition Gross number of share options (or share units) granted during the period. + References No definition available. + Details
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Percentage of vesting of share-based compensation awards. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901 + Details
Name: | us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Period from grant date that an equity-based award expires, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a)(2) -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901 + Details
Name: | us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardExpirationPeriod
Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Fair value of options vested. Excludes equity instruments other than options, for example, but not limited to, share units, stock appreciation rights, restricted stock. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901 + Details
Name: | us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedInPeriodFairValue1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | us-gaap_AwardTypeAxis=lxu_TwoThousandEighteenRestrictedStockMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_VestingAxis=us-gaap_ShareBasedCompensationAwardTrancheThreeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AwardTypeAxis=lxu_TwoThousandSeventeenRestrictedStockMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_VestingAxis=us-gaap_ShareBasedCompensationAwardTrancheTwoMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AwardTypeAxis=lxu_TwoThousandSixteenRestrictedStockMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_VestingAxis=us-gaap_ShareBasedCompensationAwardTrancheOneMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AwardTypeAxis=us-gaap_RestrictedStockMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AwardTypeAxis=us-gaap_RestrictedStockUnitsRSUMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AwardTypeAxis=lxu_PerformanceBasedRestrictedStockMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_PlanNameAxis=lxu_TwoThousandSixteenPlanMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_PlanNameAxis=lxu_TwoThousandEightPlanMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |