Supplemental disclosures of non-cash investing activities	12 Months Ended
Dec. 31, 2011
Cash Flow, Supplemental Disclosures [Text Block]	Supplemental disclosures of non-cash investing activities: Capital lease obligations for property and equipment originating during the years ended December 31, 2011, 2010 and 2009 was $115,000, $389,000 and $0, respectively. In connection with the Company’s equity incentive plans, certain optionees tendered to the Company previously owned shares to pay for the option strike price. The total non-cash stock options exercised was $445,000, $-0- and $-0- for the years ended December 31, 2011, 2010 and 2009, respectively.

Supplemental disclosures of non-cash investing activities

12 Months Ended

Dec. 31, 2011

Cash Flow, Supplemental Disclosures [Text Block]

Supplemental disclosures of non-cash investing activities:

Capital lease obligations for property and equipment originating during the years ended December 31, 2011, 2010 and 2009 was $115,000, $389,000 and $0, respectively.

In connection with the Company’s equity incentive plans, certain optionees tendered to the Company previously owned shares to pay for the option strike price. The total non-cash stock options exercised was $445,000, $-0- and $-0- for the years ended December 31, 2011, 2010 and 2009, respectively.

- Definition

The entire disclosure for supplemental cash flow activities, including cash, noncash, and part noncash transactions, for the period. Noncash is defined as information about all investing and financing activities of an enterprise during a period that affect recognized assets or liabilities but that do not result in cash receipts or cash payments in the period. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period.

+ References+ Details