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Nature of Business and Significant Accounting Policies (Details) (USD $)
Mar. 30, 2013
Dec. 29, 2012
Inventories    
Reference standards $ 1,598,277 $ 1,614,755
Bulk ingredients 192,175 432,230
Dietary supplements - raw materials    401,809
Dietary supplements - work in process    465,253
Dietary supplements - finished goods    2,657,257
Inventory-gross 1,790,452 5,571,304
Less valuation allowance 217,000 366,000
Inventory-net $ 1,573,452 $ 5,205,304