Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2016

Accounting Policies [Abstract]

Schedule of Merchandise Product Categories [Table Text Block]

The Company's merchandise mix over the last three years is reflected in the table below:

	2016		2015		2014
Core boating products	76.5	%	77.1	%	81.3	%
Merchandise expansion products	23.5	%	22.9	%	18.7	%
Total	100.0	%	100.0	%	100.0	%

Schedule of Credit Losses for Financing Receivables, Current [Table Text Block]

The allowances for doubtful accounts receivable were as follows:

	2016			2015			2014
				(in thousands)
Allowance for doubtful accounts receivable—beginning balance	$	(265	)	$	(247	)	$	(243	)
Additions	(191		)	(174		)	(307		)
Deductions and other adjustments	188			156			303
Allowance for doubtful accounts receivable—ending balance	$	(268	)	$	(265	)	$	(247	)

Schedule of Accrued Liabilities [Table Text Block]

Accrued expenses consist of the following (in thousands):

	2016		2015
Unredeemed gift cards	$	7,546	$	7,336
Other accrued expenses	21,964		19,909
Accrued expenses	$	29,510	$	27,245

Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]

The following is a reconciliation of the Company’s basic and diluted net income per share computations (shares in thousands):

	2016			2015			2014
	Shares	Net Income Per  Share		Shares	Net Income Per  Share		Shares	Net Income Per  Share
Basic	24,893	$	0.26	24,629	$	0.18	24,244	$	0.08
Effect of dilutive stock options	95	—		105	—		164	—
Diluted	24,988	$	0.26	24,734	$	0.18	24,408	$	0.08