|
Note 5 - Stock-based Compensation (Details) - Stock Option Compensation (USD $)
|
9 Months Ended |
|
Dec. 29, 2013
|
Dec. 30, 2012
|
|
Three Month Period [Member] | Cost of Sales [Member]
|
|
|
| Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items] |
|
|
| Stock option compensation |
$ 17,000
|
$ 23,000
|
|
Three Month Period [Member] | Cost of Sales [Member] | Fiscal Year 2012 [Member]
|
|
|
| Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items] |
|
|
| Stock option compensation |
|
12,000
|
|
Three Month Period [Member] | Cost of Sales [Member] | Fiscal Year 2013 [Member]
|
|
|
| Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items] |
|
|
| Stock option compensation |
11,000
|
11,000
|
|
Three Month Period [Member] | Cost of Sales [Member] | Fiscal Year 2014 [Member]
|
|
|
| Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items] |
|
|
| Stock option compensation |
6,000
|
|
|
Three Month Period [Member] | Operating Expense [Member]
|
|
|
| Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items] |
|
|
| Stock option compensation |
17,000
|
25,000
|
|
Three Month Period [Member] | Operating Expense [Member] | Fiscal Year 2012 [Member]
|
|
|
| Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items] |
|
|
| Stock option compensation |
|
12,000
|
|
Three Month Period [Member] | Operating Expense [Member] | Fiscal Year 2013 [Member]
|
|
|
| Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items] |
|
|
| Stock option compensation |
11,000
|
13,000
|
|
Three Month Period [Member] | Operating Expense [Member] | Fiscal Year 2014 [Member]
|
|
|
| Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items] |
|
|
| Stock option compensation |
6,000
|
|
|
Three Month Period [Member]
|
|
|
| Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items] |
|
|
| Stock option compensation |
34,000
|
48,000
|
|
Three Month Period [Member] | Fiscal Year 2012 [Member]
|
|
|
| Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items] |
|
|
| Stock option compensation |
|
24,000
|
|
Three Month Period [Member] | Fiscal Year 2013 [Member]
|
|
|
| Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items] |
|
|
| Stock option compensation |
22,000
|
24,000
|
|
Three Month Period [Member] | Fiscal Year 2014 [Member]
|
|
|
| Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items] |
|
|
| Stock option compensation |
12,000
|
|
|
Nine Month Period [Member] | Cost of Sales [Member]
|
|
|
| Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items] |
|
|
| Stock option compensation |
62,000
|
79,000
|
|
Nine Month Period [Member] | Cost of Sales [Member] | Fiscal Year 2012 [Member]
|
|
|
| Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items] |
|
|
| Stock option compensation |
14,000
|
41,000
|
|
Nine Month Period [Member] | Cost of Sales [Member] | Fiscal Year 2013 [Member]
|
|
|
| Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items] |
|
|
| Stock option compensation |
35,000
|
24,000
|
|
Nine Month Period [Member] | Cost of Sales [Member] | Fiscal Year 2014 [Member]
|
|
|
| Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items] |
|
|
| Stock option compensation |
13,000
|
|
|
Nine Month Period [Member] | Cost of Sales [Member] | Fiscal Year 2011 [Member]
|
|
|
| Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items] |
|
|
| Stock option compensation |
|
14,000
|
|
Nine Month Period [Member] | Operating Expense [Member]
|
|
|
| Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items] |
|
|
| Stock option compensation |
59,000
|
82,000
|
|
Nine Month Period [Member] | Operating Expense [Member] | Fiscal Year 2012 [Member]
|
|
|
| Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items] |
|
|
| Stock option compensation |
11,000
|
41,000
|
|
Nine Month Period [Member] | Operating Expense [Member] | Fiscal Year 2013 [Member]
|
|
|
| Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items] |
|
|
| Stock option compensation |
35,000
|
28,000
|
|
Nine Month Period [Member] | Operating Expense [Member] | Fiscal Year 2014 [Member]
|
|
|
| Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items] |
|
|
| Stock option compensation |
13,000
|
|
|
Nine Month Period [Member] | Operating Expense [Member] | Fiscal Year 2011 [Member]
|
|
|
| Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items] |
|
|
| Stock option compensation |
|
13,000
|
|
Nine Month Period [Member]
|
|
|
| Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items] |
|
|
| Stock option compensation |
121,000
|
161,000
|
|
Nine Month Period [Member] | Fiscal Year 2012 [Member]
|
|
|
| Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items] |
|
|
| Stock option compensation |
25,000
|
82,000
|
|
Nine Month Period [Member] | Fiscal Year 2013 [Member]
|
|
|
| Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items] |
|
|
| Stock option compensation |
70,000
|
52,000
|
|
Nine Month Period [Member] | Fiscal Year 2014 [Member]
|
|
|
| Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items] |
|
|
| Stock option compensation |
26,000
|
|
|
Nine Month Period [Member] | Fiscal Year 2011 [Member]
|
|
|
| Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items] |
|
|
| Stock option compensation |
|
$ 27,000
|