Quarterly report pursuant to Section 13 or 15(d)

Supplemental Disclosure for Statements of Cash Flows

Supplemental Disclosure for Statements of Cash Flows

3 Months Ended

Mar. 31, 2012

Supplemental Disclosure for Statements of Cash Flows

12.

Supplemental Disclosure for Statements of Cash Flows

During the three-month periods ended March 31, 2012 and 2011, we paid interest aggregating $123,000 and $2,000, respectively. During the three-month period ended March 31, 2011, we issued 30,438 shares of our common stock as matching contributions to our 401(k) plan. During the three-month period ended March 31, 2011, we transferred $23,000 of GDS Business inventory to fixed assets related to the creation and maintenance of a pool of service loaner equipment.

- 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.

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