Statement of Cash Flows

6 Months Ended

Jun. 30, 2011

Cash Flow, Noncash Investing and Financing Activities Disclosure [Abstract]

Statement of Cash Flows

4.   Statement of Cash Flows

Supplemental disclosure of noncash investing and financing activities:

Included in accounts payable and accrued expenses at June 30, 2011 and December 31, 2010 were $3.4 million and $10.7 million, respectively, of accrued capital expenditures.  Included in accounts payable and accrued expenses at June 30, 2010 and December 31, 2009 were $4.1 million and $9.8 million, respectively, of accrued capital expenditures.

Included in accounts payable and accrued expenses at December 31, 2010 and 2009 were $2.9 million and $2.6 million, respectively, of accrued Company 401(k) Savings Plan contribution expense.  In the first quarter of 2011 and 2010, the Company contributed 91,761 and 111,419 shares, respectively, of Common Stock to the 401(k) Savings Plan in satisfaction of these obligations.

Included in facility lease obligations and property, plant, and equipment at June 30, 2010 was $1.7 million of capitalized and deferred interest for the six months ended June 30, 2010, as the related facilities being leased by the Company were under construction and lease payments on these facilities did not commence until January 2011.

The Company incurred capital lease obligations of $0.7 million during the six months ended June 30, 2011 in connection with acquisitions of equipment.

Included in marketable securities at June 30, 2011 and December 31, 2010 were $0.8 million and $1.4 million, respectively, of accrued interest income.  Included in marketable securities at June 30, 2010 and December 31, 2009 were $1.3 million and $0.6 million, respectively, of accrued interest income.