Condensed Consolidated Balance Sheets (Unaudited) (USD $)	Jun. 29, 2013	Mar. 30, 2013
Current assets:
Cash and cash-equivalents	$ 778,000	$ 1,882,000
Trade accounts receivable, net of allowance of $37 and $35, respectively	1,787,000	1,666,000
Inventories, net	4,493,000	4,560,000
Prepaid expenses and other current assets	460,000	501,000
Total current assets	7,518,000	8,609,000
Property and equipment, net	788,000	751,000
Total assets	8,306,000	9,360,000
Current liabilities:
Line of credit		577,000
Accounts payable	938,000	788,000
Accrued commission	41,000	93,000
Accrued payroll and benefits	966,000	1,047,000
Accrued warranty	93,000	114,000
Deferred revenue	1,795,000	2,278,000
Deferred rent	87,000	81,000
Capital lease obligations	67,000	66,000
Other current liabilities	254,000	298,000
Total current liabilities	4,241,000	5,342,000
Long term obligations - line of credit	891,000	280,000
Long term obligations - deferred rent	320,000	341,000
Long term obligations - capital lease	72,000	89,000
Total liabilities	5,524,000	6,052,000
Commitments and contingencies
Authorized - 40,000,000 shares; 5,181,247 shares at June 29, 2013 and 5,079,747 at March 30, 2013 issued and outstanding	15,287,000	15,132,000
Accumulated deficit	(14,959,000)	(14,278,000)
Total shareholders' equity	2,782,000	3,308,000
Total liabilities and shareholders' equity	8,306,000	9,360,000
Series B Preferred Stock [Member]
Current liabilities:
Preferred Stock, Value Issued	1,997,000	1,997,000
Series C Preferred Stock [Member]
Current liabilities:
Preferred Stock, Value Issued	457,000	457,000
Series D Preferred Stock [Member]
Current liabilities:
Preferred Stock, Value Issued	$ 0	$ 0