Business Acquisitions - Allocation of Purchase Price of Assets Acquired and Liabilities Assumed Based on the Fair Value (Details) - USD ($)			3 Months Ended		6 Months Ended		12 Months Ended
	Aug. 01, 2016	Jan. 15, 2015	Oct. 01, 2016	Sep. 26, 2015	Oct. 01, 2016	Sep. 26, 2015	Mar. 28, 2015	Apr. 02, 2016
Business Acquisition [Line Items]
Business Combination, Contingent Consideration Arrangements, Shares Issued or Issuable		374,472
Business Combination, Contingent Consideration Arrangements, Shares Issued			0		0
Business Combination, Contingent Consideration Arrangements, Shares Issued - Non-Contingent			212,217		212,217
Shares grant as compensation		513,328
Value of shares grant as compensation		$ 2,000,000
Cash compensation		200,000
Allocated acquisition related compensation expenses - share based			$ 1,200,000		$ 1,200,000
Shares Granted As Consideration - Contingent			0		0
Shares Granted As Consideration - non-contingent			145,427		145,427
Goodwill			12,652,000		12,652,000			$ 7,445,000
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill								4,900,000
Business Combination, Integration Related Costs			$ 335,000	$ 40,000	$ 335,000	$ 194,000	$ 194,000
Business Combination Contingent Consideration Arrangements Shares Recovered			63,114		63,114
Business Combination Contingent Consideration Arrangement Shares Recovered price per share			$ 6.30		$ 6.30
Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Current Assets Receivables Allowance		268,000
Visicon [Member]
Business Acquisition [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Receivables	$ 391,000
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Inventory	2,056,000
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net	6,486,000
Payments to Acquire Businesses, Gross	116,000
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment	$ 642,000
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares	637,082
Business Acquisition, Equity Interest Issued or Issuable, Value Assigned	$ 4,500,000
Business Combination, Bargain Purchase, Total Gain	5,207,000
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities	(1,952,000)
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Assets	$ 26,000
Topwin [Member]
Business Acquisition [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Receivables		454,000
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Inventory		544,000
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net		10,520,000
Payments to Acquire Businesses, Gross		295,000
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment		23,000
Business Combination, Bargain Purchase, Total Gain		$ 3,618,000
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares		748,944
Business Acquisition, Equity Interest Issued or Issuable, Value Assigned		$ 2,900,000
Business Combination, Non-Contingent Consideration Arrangements, Shares Issued or Issuable		374,472
Business Combination, Non-Contingent Consideration, Liability		$ 2,500,000
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares, Issuance Period		3 years
Business Combination, Contingent Consideration, Liability		$ 400,000
Acquired intangibles								$ 3,500,000
Business Combination, Bargain Purchase, Tax		7,445,000
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities		$ (1,859,000)
Maximum [Member]
Business Acquisition [Line Items]
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life		10 years
Minimum [Member]
Business Acquisition [Line Items]
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life		1 year