Note 7 - Segment and Geographic Data (Details) - Segment and Geographic Data (USD $) In Thousands, unless otherwise specified	3 Months Ended										12 Months Ended
	Mar. 29, 2014		Dec. 28, 2013	Sep. 28, 2013	Jun. 29, 2013	Mar. 30, 2013		Dec. 29, 2012	Sep. 29, 2012	Jun. 30, 2012	Mar. 29, 2014		Mar. 30, 2013
Revenue:
Revenue	$ 30,403		$ 30,513	$ 28,882	$ 28,710	$ 31,087		$ 29,324	$ 26,788	$ 25,097	$ 118,508		$ 112,296
Gross Profit:
Gross Profit	8,617		7,138	6,821	7,214	8,489		6,630	6,078	6,207	29,790		27,404
Operating Expenses:
Operating Expenses											23,085		21,458
Operating Income:
Operating Income											6,705		5,946
Unallocated Amounts:
Unallocated Amounts											2,721		2,242
Net Income	1,704		788	771	721	1,816		782	745	361	3,984		3,704
Total Assets:
Total Assets	53,874					55,047					53,874		55,047
Depreciation and Amortization (2):
Depreciation and Amortization											2,945	[1]	2,702	[1]
Capital Expenditures:
Capital Expenditrures	1,961					2,657					1,961		2,657
Distribution [Member]
Revenue:
Revenue											70,324		71,641
Gross Profit:
Gross Profit											16,965		17,102
Operating Expenses:
Operating Expenses											12,639	[2]	12,467	[2]
Operating Income:
Operating Income											4,326		4,635
Total Assets:
Total Assets	24,715					25,932					24,715		25,932
Depreciation and Amortization (2):
Depreciation and Amortization											801	[1]	962	[1]
Capital Expenditures:
Capital Expenditrures	441					193					441		193
Service Segment [Member]
Revenue:
Revenue											48,184		40,655
Gross Profit:
Gross Profit											12,825		10,302
Operating Expenses:
Operating Expenses											10,446	[2]	8,991	[2]
Operating Income:
Operating Income											2,379		1,311
Total Assets:
Total Assets	24,902					24,785					24,902		24,785
Depreciation and Amortization (2):
Depreciation and Amortization											2,144	[1]	1,740	[1]
Capital Expenditures:
Capital Expenditrures	1,520					2,464					1,520		2,464
Unallocated Interest and Other Expense, Net [Member]
Unallocated Amounts:
Unallocated Amounts											259		228
Unallocated Provision for Income Taxes [Member]
Unallocated Amounts:
Unallocated Amounts											2,462		2,014
Segment Reconciling Items [Member]
Total Assets:
Total Assets	4,257					4,330					4,257		4,330
United States [Member]
Revenues to Unaffiliated Customers (3):
Geographic Data											107,007	[3]	101,850	[3]
Canada [Member]
Revenues to Unaffiliated Customers (3):
Geographic Data											9,235	[3],[4]	7,873	[3],[4]
Other International [Member]
Revenues to Unaffiliated Customers (3):
Geographic Data											2,266	[3]	2,573	[3]
Total [Member]
Revenues to Unaffiliated Customers (3):
Geographic Data											118,508	[3]	112,296	[3]
United States [Member]
Long-Lived Assets:
Long-Lived Assets	6,635	[4]				6,400	[4]				6,635	[4]	6,400	[4]
Canada [Member]
Long-Lived Assets:
Long-Lived Assets	454					485					454		485
Total [Member]
Long-Lived Assets:
Long-Lived Assets	$ 7,089					$ 6,885					$ 7,089		$ 6,885

[1] Including amortization of catalog costs.

[2] Operating expense allocations between segments were based on actual amounts, a percentage of revenues, headcount, and management's estimates.

[3] Revenues are attributed to the countries based on the destination of a product shipment or the location where service is rendered.

[4] United States includes Puerto Rico.