Weighted average remaining vesting period in years.

No definition available.

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- Definition

Share-based compensation arrangement by share based payment award restricted stock vested in period fair value.

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No definition available.

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- Definition

Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

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-Name Accounting Standards Codification
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- Definition

Amount of tax benefit for recognition of expense of award under share-based payment arrangement.

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- Definition

The number of equity-based payment instruments, excluding stock (or unit) options, that were forfeited during the reporting period.

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-Publisher FASB
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- Definition

Weighted average fair value as of the grant date of equity-based award plans other than stock (unit) option plans that were not exercised or put into effect as a result of the occurrence of a terminating event.

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- 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).

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- Definition

The weighted average fair value at grant date for nonvested equity-based awards issued 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).

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- Definition

The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date.

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- Definition

Per share or unit weighted-average fair value of nonvested award under share-based payment arrangement. Excludes share and unit options.

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-Publisher FASB
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- Definition

The number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period.

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- Definition

Fair value of share-based awards for which the grantee gained the right by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash.

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- Definition

The weighted average fair value as of grant date pertaining to an equity-based award plan other than a stock (or unit) option plan for which the grantee gained the right during the reporting period, by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash in accordance with the terms of the arrangement.

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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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Stockholders' Equity - Summary of Restricted Stock Activity (Detail) - USD ($)			12 Months Ended
	Dec. 31, 2019	Dec. 30, 2018	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Income tax benefit			$ (36,000)	$ (42,000)	$ (54,000)
Restricted Stock [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Unvested outstanding beginning of year			618,072
Granted, Shares			31,138	285,956	369,350
Vested, Shares			(283,418)
Cancelled or forfeited, Shares			(23,121)
Unvested outstanding end of year	618,072		342,671	618,072
Unvested outstanding beginning of year			$ 5.42
Weighted-average fair value per restricted stock granted during year			2.81	$ 4.28	$ 5.47
Vested, weighted-average grant date fair value			4.90
Cancelled or forfeited, weighted-average grant date fair value			7.97
Unvested outstanding end of year	$ 5.42		$ 4.53	$ 5.42
Total fair value of restricted stock granted			$ 87,000	$ 1,223,000	$ 2,019,000
Income tax benefit			$ (279,000)	$ (374,000)	$ (398,000)
Total weighted-average remaining vesting period in years			1 year 7 months 9 days	2 years 2 months 4 days	1 year 9 months 10 days
Total fair value of restricted stock vested during the year			$ 1,389,000	$ 3,371,000	$ 7,355,000
Restricted Stock [Member] \| Cost of Sales [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Stock-based compensation expense			62,000	255,000	385,000
Restricted Stock [Member] \| SG&A [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Stock-based compensation expense			$ 1,078,000	$ 1,263,000	$ 7,574,000
Performance Based Restricted Stock [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Unvested outstanding beginning of year			221,439
Granted, Shares	275,119	210,602	306,257	221,439
Unvested outstanding end of year	221,439		527,696	221,439
Unvested outstanding beginning of year			$ 7.26
Weighted-average fair value per restricted stock granted during year			3.20	$ 7.26
Unvested outstanding end of year	$ 7.26		$ 4.90	$ 7.26
Total fair value of restricted stock granted			$ 980,000	$ 1,608,000
Income tax benefit			$ (53,000)	$ (84,000)
Total weighted-average remaining vesting period in years			1 year 6 months 25 days	1 year 2 months 4 days
Performance Based Restricted Stock [Member] \| Cost of Sales [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Stock-based compensation expense				$ 53,000
Performance Based Restricted Stock [Member] \| SG&A [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Stock-based compensation expense			$ 218,000	$ 290,000
Restricted Stock Units [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Unvested outstanding beginning of year			86,340
Granted, Shares			231,816	31,833	35,511
Vested, Shares			(18,996)
Unvested outstanding end of year	86,340		299,160	86,340
Unvested outstanding beginning of year			$ 6.51
Weighted-average fair value per restricted stock granted during year			1.10	$ 5.89	$ 5.28
Vested, weighted-average grant date fair value			9.87
Unvested outstanding end of year	$ 6.51		$ 2.11	$ 6.51
Total fair value of restricted stock granted			$ 255,000	$ 187,000	$ 187,000
Income tax benefit			$ (63,000)	$ (46,000)	$ (34,000)
Total weighted-average remaining vesting period in years			5 months 23 days	1 year 6 months 25 days	1 year 9 months
Total fair value of restricted stock vested during the year			$ 187,000	$ 187,000	$ 125,000
Restricted Stock Units [Member] \| SG&A [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Stock-based compensation expense			$ 255,000	$ 187,000	$ 187,000