Significant Accounting Policies (Details) (USD $)	Jun. 28, 2014	Dec. 28, 2013
Inventories
Reference standards	$ 1,707,272	$ 1,769,160
Bulk ingredients	1,421,756	694,965
Inventory-gross	3,129,028	2,464,125
Less valuation allowance	256,000	260,000
Inventory-net	$ 2,873,028	$ 2,204,125