Nature of Business and Significant Accounting Policies (Details) (USD $)	Jun. 30, 2012	Dec. 31, 2011
Inventories
Reference standards	$ 1,515,592	$ 1,459,330
Bulk ingredients	178,584	174,847
Dietary supplements - raw materials	1,059,471	709,476
Dietary supplements - work in process	38,295	38,293
Dietary supplements - finished goods	2,714,855	750,654
Inventory-gross	5,506,797	3,132,600
Less valuation allowance	253,000	227,000
Inventory-net	$ 5,253,797	$ 2,905,600