The weighted average exercise price of options excluded from the computation of earnings per share.

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Amount of accumulated difference between fair value of underlying shares on dates of exercise and exercise price on equity instruments other than options exercised (or share units converted) into shares.

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The number of shares received as payment of the exercise price in the exercise of stock options from holders exercising their stock options.

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Amount charged to advertising expense for the period, which are expenses incurred with the objective of increasing revenue for a specified brand, product or product line.

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The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.

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Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.

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Unrecognized cost of unvested share-based compensation awards.

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Weighted average period over which unrecognized compensation is expected to be recognized for equity-based compensation plans, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Unrecognized cost of unvested share-based awards, other than options, awarded to employees as compensation.

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The total recognized tax benefit related to compensation cost for equity-based payment arrangements recognized in income during the period.

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Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements.

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The cash inflow associated with the amount received from holders exercising their stock options. This item inherently excludes any excess tax benefit, which the entity may have realized and reported separately.

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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.

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Weighted average remaining contractual term for equity-based awards excluding options, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Number of non-option equity instruments exercised by participants.

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Net number of non-option equity instruments granted to participants.

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The maximum number of shares (or other type of equity) originally approved (usually by shareholders and board of directors), net of any subsequent amendments and adjustments, for awards under the equity-based compensation plan. As stock or unit options and equity instruments other than options are awarded to participants, the shares or units remain authorized and become reserved for issuance under outstanding awards (not necessarily vested).

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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.

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Amount of accumulated difference between fair value of underlying shares on dates of exercise and exercise price on options exercised (or share units converted) into shares.

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Gross number of share options (or share units) granted during the period.

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The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology.

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Amount by which the current fair value of the underlying stock exceeds the exercise price of options outstanding.

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Intrinsic value of equity-based compensation awards outstanding. Excludes stock and unit options.

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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.

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Weighted average remaining contractual term for option awards outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Cost incurred during the reporting period in transporting goods and services to customers. Includes freight-out costs.

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Number of new stock issued during the period.

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Number of shares that have been repurchased during the period and have not been retired and are not held in treasury. Some state laws may govern the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock.

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Ratio applied to the conversion of stock split, for example but not limited to, one share converted to two or two shares converted to one.

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The number of units or percentage investment held in the subsidiary by the limited liability company or limited partnership.

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Note 1 - Summary of Significant Interim Accounting Policies (Details Textual)		3 Months Ended		9 Months Ended
	Dec. 29, 2014	Sep. 30, 2016 USD ($) $ / shares shares	Sep. 30, 2015 USD ($) $ / shares shares	Sep. 30, 2016 USD ($) $ / shares shares	Sep. 30, 2015 USD ($) $ / shares shares
Outside Directors [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period				10 years
Employee Stock Option [Member]
Employee Service Share-based Compensation, Tax Benefit from Compensation Expense		$ 0	$ 0	$ 0	$ 0
Stock Appreciation Rights (SARs) [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value \| $ / shares				$ 4.49	$ 5.20
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Aggregate Intrinsic Value, Outstanding		$ 3,351,000		$ 3,351,000
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Outstanding, Weighted Average Remaining Contractual Terms				2 years 90 days
Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Exercised \| shares		0	54,208	75,792	193,750
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Exercises in Period, Intrinsic Value			$ 671,000	$ 928,000	$ 2,602,000
Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Granted \| shares				58,108	53,292
Restricted Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period				3 years
Employee Service Share-based Compensation, Nonvested Awards, Compensation Not yet Recognized, Share-based Awards Other than Options		$ 188,000		$ 188,000
Service-based Awards [Member] \| Minimum [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period				3 years
Service-based Awards [Member] \| Maximum [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period				5 years
Performance Shares [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period				5 years
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized		$ 1,198,000		$ 1,198,000
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition				4 years 109 days
Common Stock [Member]
Stock Repurchased During Period, Shares \| shares		2,164
Shares Received from Stock Options Exercised \| shares		5,568	6,806	12,598	14,571
Stock Issued During Period, Shares, New Issues \| shares			22,792	35,984	50,224
Stock Split from [Member]
Stockholders' Equity Note, Stock Split, Conversion Ratio	2
Subsidiary of Limited Liability Company or Limited Partnership, Ownership Interest				99.00%
Amortization of Intangible Assets		$ 607,000	$ 516,000	$ 1,761,000	$ 1,549,000
Advertising Expense		23,000	11,000	55,000	101,000
Shipping, Handling and Transportation Costs		$ 2,646,000	$ 2,443,000	$ 7,798,000	$ 7,069,000
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount \| shares		150,000	144,000	165,000	97,000
Antidilutive Securities Excluded from Computation of Earnings Per Share, Weight Average Exercise Price \| $ / shares		$ 18.65	$ 17.71	$ 18.53	$ 18.19
Number of Reportable Segments				2
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized \| shares		5,000,000		5,000,000
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant \| shares		3,945,981		3,945,981
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period				5 years
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value		$ 9,276,000		$ 9,276,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term				3 years 120 days
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Intrinsic Value		$ 301,000	$ 519,000	$ 1,876,000	$ 2,896,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross \| shares		52,530	50,310	172,862	103,308
Employee Service Share-based Compensation, Tax Benefit from Compensation Expense		$ 55,000	$ 25,000	$ 267,000	$ 195,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value \| $ / shares		$ 4.53	$ 4.97	$ 4.69	$ 5.22
Proceeds from Stock Options Exercised		$ 327,000	$ 118,000	$ 1,109,000	$ 1,501,000
Stock Issued During Period, Shares, New Issues \| shares				35,984	50,224