Annual report pursuant to Section 13 and 15(d)

Note 4 - Stock Options by Exercise Prices Range (Details)

v2.4.1.9
Note 4 - Stock Options by Exercise Prices Range (Details) (USD $)
12 Months Ended
Mar. 29, 2015
Number of Options Outstanding (in shares) 330,000us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfOutstandingOptions
Weighted-Avg. Remaining Contractual Life in Years 8 years 160 days
Weighted-Avg. Exercise Price of Options Outstanding (in dollars per share) $ 6.83us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance1
Number of Options Exercisable (in shares) 115,000us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfExercisableOptions
Weighted-Avg. Exercise Price of Options Exercisable (in dollars per share) $ 5.59us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice1
Price Range 1 [Member]  
Exercise Price (in dollars per share) $ 4.81us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLowerRangeLimit
/ us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis
= crws_PriceRange1Member
Number of Options Outstanding (in shares) 15,000us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfOutstandingOptions
/ us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis
= crws_PriceRange1Member
Weighted-Avg. Remaining Contractual Life in Years 6 years 73 days
Weighted-Avg. Exercise Price of Options Outstanding (in dollars per share) $ 4.81us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance1
/ us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis
= crws_PriceRange1Member
Number of Options Exercisable (in shares) 15,000us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfExercisableOptions
/ us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis
= crws_PriceRange1Member
Weighted-Avg. Exercise Price of Options Exercisable (in dollars per share) $ 4.81us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice1
/ us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis
= crws_PriceRange1Member
Price Range 2 [Member]  
Exercise Price (in dollars per share) $ 5.42us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLowerRangeLimit
/ us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis
= crws_PriceRange2Member
Number of Options Outstanding (in shares) 60,000us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfOutstandingOptions
/ us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis
= crws_PriceRange2Member
Weighted-Avg. Remaining Contractual Life in Years 7 years 76 days
Weighted-Avg. Exercise Price of Options Outstanding (in dollars per share) $ 5.42us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance1
/ us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis
= crws_PriceRange2Member
Number of Options Exercisable (in shares) 60,000us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfExercisableOptions
/ us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis
= crws_PriceRange2Member
Weighted-Avg. Exercise Price of Options Exercisable (in dollars per share) $ 5.42us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice1
/ us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis
= crws_PriceRange2Member
Price Range 3 [Member]  
Exercise Price (in dollars per share) $ 6.14us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLowerRangeLimit
/ us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis
= crws_PriceRange3Member
Number of Options Outstanding (in shares) 90,000us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfOutstandingOptions
/ us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis
= crws_PriceRange3Member
Weighted-Avg. Remaining Contractual Life in Years 8 years 76 days
Weighted-Avg. Exercise Price of Options Outstanding (in dollars per share) $ 6.14us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance1
/ us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis
= crws_PriceRange3Member
Number of Options Exercisable (in shares) 40,000us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfExercisableOptions
/ us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis
= crws_PriceRange3Member
Weighted-Avg. Exercise Price of Options Exercisable (in dollars per share) $ 6.14us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice1
/ us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis
= crws_PriceRange3Member
Price Range 4 [Member]  
Exercise Price (in dollars per share) $ 7.90us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLowerRangeLimit
/ us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis
= crws_PriceRange4Member
Number of Options Outstanding (in shares) 165,000us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfOutstandingOptions
/ us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis
= crws_PriceRange4Member
Weighted-Avg. Remaining Contractual Life in Years 9 years 80 days
Weighted-Avg. Exercise Price of Options Outstanding (in dollars per share) $ 7.90us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance1
/ us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis
= crws_PriceRange4Member