Accounts Receivable Allowance: (Details) (USD $)	12 Months Ended
	Dec. 29, 2012	Dec. 31, 2011
Changes to allowance for doubtful accounts
Balance at beginning of period	$ 219,806	$ 109,142
Charges (Reductions) to Expense	3,538	132,014
(Write-offs) Collections	(1,638)	(21,350)
Balance at end of period	$ 221,706	$ 219,806