G. Investments in unconsolidated entities:

The Company has invested in the preferred stock of CCX, a technology and drug development company and holds a 16.6% ownership percentage at June 30, 2011. The Company has evaluated the cost versus equity method of accounting for its investment in CCX and determined that it does not have the ability to exercise significant influence over the operating and financial policies of CCX and therefore, accounts for its investment on a cost basis. The Company’s net investment in CCX at both June 30, 2011 and 2010 was $14.3 million. In accordance with ASC Topic 825, Financial Instruments, the Company has determined that it is not practicable to estimate the fair value of its investment in CCX. Information related to future cash flows of CCX are not readily available as future cash flows are highly dependent on the ability of CCX to raise additional funds, acceptance of its products by the market, and/or U.S. Food and Drug Administration clearance to market its products. The Company has not identified any events or changes in circumstances that may have had a significant adverse effect on the fair value of the investment.

The Company has a 16.8% ownership interest in Nephromics at June 30, 2011. Nephromics has licensed technology related to the diagnosis of preeclampsia and has sublicensed the technology to several major diagnostic companies for the development of diagnostic assays. The Company accounts for its investment in Nephromics under the equity method of accounting as Nephromics is a limited liability company. The Company has financial exposure to any losses of Nephromics to the extent of its net investment, which was $3.7 million and $4.0 million at June 30, 2011 and 2010, respectively.

The Company has an 8.3% ownership percentage in Hemerus at June 30, 2011. Hemerus was formed in March 2001 and has acquired and is developing technology for the separation of leukocytes from blood and blood components. Hemerus owns two patents and has several patent applications pending and has received FDA clearance to market its products in the U.S. The Company accounts for its investment in Hemerus under the equity method of accounting as Hemerus is a limited liability company. The Company has financial exposure to any losses of Hemerus to the extent of its net investment, which was $773,000 and $1.2 million at June 30, 2011 and 2010, respectively.

The Company holds a 13.6% ownership percentage in ACTGen, a development stage biotechnology company located in Japan, as of June 30, 2011. ACTGen has intellectual property related to the identification and expression of molecules. The Company’s net investment in ACTGen was $925,000 and $1.1 million at June 30, 2011 and 2010, respectively.

The Company does not currently provide loans, guarantees or other financial assistance to CCX, Nephromics, Hemerus, or ACTGen and has no obligation to provide additional funding.