Nature of Business and Significant Accounting Policies (Tables)

12 Months Ended

Dec. 29, 2012

Nature Of Business And Significant Accounting Policies Tables

Inventories

The amounts of major classes of inventory for the periods ended December 29, 2012 and December 31, 2011 are as follows:

	2012		2011
Reference standards	$	1,614,755	$	1,459,330
Bulk ingredients		432,230		174,847
Dietary supplements – raw materials		401,809		709,476
Dietary supplements – work in process		465,253		38,293
Dietary supplements – finished goods		2,657,257		750,654
		5,571,304		3,132,600
Less valuation allowance		366,000		227,000
	$	5,205,304	$	2,905,600

Leasehold improvements and equipment

Useful lives of leasehold improvements and equipment for each of the category are as follows:

	Useful Life
Leasehold improvements	Until the end of the lease term
Computer equipment	3 to 5 years
Furniture and fixtures	7 years
Laboratory equipment	10 years