Credit Facility	9 Months Ended
Jun. 30, 2011
Credit Facility
Credit Facility	(10) Credit Facility In October 2007, the Company negotiated a credit facility, which originally had an expiration date of October 31, 2009 and permitted borrowings up to $15,000. In June 2009, the Company executed a first amendment to its credit agreement. The first amendment, among other changes to the original terms, increased the aggregate amount of funds available to $30,000 subject, with respect to amounts borrowed in excess of $20,000, to certain criteria outlined in the credit agreement. In February 2010, the Company executed a second amendment to its credit agreement. The second amendment, among other changes to the original terms, extended the maturity date to February 12, 2012; added Global Physics Solutions, Inc. as a borrower; added a prepayment penalty equal to 1.0% should the Company voluntarily terminate the facility prior to February 12, 2011; and modified the interest rate on outstanding amounts from either LIBOR plus 2.9% or the bank's prime rate plus 0.47% to either LIBOR plus 2.1% or the bank's prime rate minus 0.28%. Effective October 31, 2010, the Company executed a third amendment to its credit agreement. The third amendment, among other changes, increased the aggregate amount of funds available to the Company to $50,000 subject, with respect to amounts borrowed in excess of $25,000, to a borrowing base test; extended the maturity date to October 31, 2013; modified the manner in which the interest rate on outstanding amounts would be determined; and extended the applicable date of the prepayment penalty such that the penalty would be due if the Company should voluntarily terminate the facility prior to October 31, 2011. The Company must maintain a fixed charge coverage ratio, as calculated pursuant to the terms of the first amendment to the credit agreement, as of the end of each calendar quarter of not less than 1.35 to 1.00, and a funded debt to earnings before interest, taxes and depreciation and amortization ratio less than or equal to 1.5 to 1.00. As of June 30, 2011, the fixed charge coverage ratio and the funded debt to earnings before interest, taxes and depreciation and amortization ratio were approximately 8.1 and 0.4, respectively, and the Company was in compliance with the covenants contained in the credit agreement. The debt is classified as a current liability as the agreement contains a subjective acceleration clause as well as a Company elected arrangement which provides for automatic draws or pay downs on the credit facility on a daily basis after taking into account operating cash needs. Based on current business plans and projected operating cash flows, the Company anticipates continued usage of the revolving facility beyond the next twelve months. As of June 30, 2011 and September 30, 2010, the balance outstanding under the Company's credit agreement was $12,884 and $12,504, respectively. Interest expense on the borrowings for the nine months ended June 30, 2011 and 2010 was $325 and $270, respectively. The weighted average interest rate was 2.35% for the first nine months of fiscal 2011. At June 30, 2011 the applicable interest rate was 2.291% per annum.

Credit Facility

9 Months Ended

Jun. 30, 2011

(10) Credit Facility

In October 2007, the Company negotiated a credit facility, which originally had an expiration date of October 31, 2009 and permitted borrowings up to $15,000. In June 2009, the Company executed a first amendment to its credit agreement. The first amendment, among other changes to the original terms, increased the aggregate amount of funds available to $30,000 subject, with respect to amounts borrowed in excess of $20,000, to certain criteria outlined in the credit agreement. In February 2010, the Company executed a second amendment to its credit agreement. The second amendment, among other changes to the original terms, extended the maturity date to February 12, 2012; added Global Physics Solutions, Inc. as a borrower; added a prepayment penalty equal to 1.0% should the Company voluntarily terminate the facility prior to February 12, 2011; and modified the interest rate on outstanding amounts from either LIBOR plus 2.9% or the bank's prime rate plus 0.47% to either LIBOR plus 2.1% or the bank's prime rate minus 0.28%. Effective October 31, 2010, the Company executed a third amendment to its credit agreement. The third amendment, among other changes, increased the aggregate amount of funds available to the Company to $50,000 subject, with respect to amounts borrowed in excess of $25,000, to a borrowing base test; extended the maturity date to October 31, 2013; modified the manner in which the interest rate on outstanding amounts would be determined; and extended the applicable date of the prepayment penalty such that the penalty would be due if the Company should voluntarily terminate the facility prior to October 31, 2011.

The Company must maintain a fixed charge coverage ratio, as calculated pursuant to the terms of the first amendment to the credit agreement, as of the end of each calendar quarter of not less than 1.35 to 1.00, and a funded debt to earnings before interest, taxes and depreciation and amortization ratio less than or equal to 1.5 to 1.00. As of June 30, 2011, the fixed charge coverage ratio and the funded debt to earnings before interest, taxes and depreciation and amortization ratio were approximately 8.1 and 0.4, respectively, and the Company was in compliance with the covenants contained in the credit agreement. The debt is classified as a current liability as the agreement contains a subjective acceleration clause as well as a Company elected arrangement which provides for automatic draws or pay downs on the credit facility on a daily basis after taking into account operating cash needs. Based on current business plans and projected operating cash flows, the Company anticipates continued usage of the revolving facility beyond the next twelve months.

As of June 30, 2011 and September 30, 2010, the balance outstanding under the Company's credit agreement was $12,884 and $12,504, respectively. Interest expense on the borrowings for the nine months ended June 30, 2011 and 2010 was $325 and $270, respectively. The weighted average interest rate was 2.35% for the first nine months of fiscal 2011. At June 30, 2011 the applicable interest rate was 2.291% per annum.

- Definition

The entire disclosure for information about short-term and long-term debt arrangements, which includes amounts of borrowings under each line of credit, note payable, commercial paper issue, bonds indenture, debenture issue, own-share lending arrangements and any other contractual agreement to repay funds, and about the underlying arrangements, rationale for a classification as long-term, including repayment terms, interest rates, collateral provided, restrictions on use of assets and activities, whether or not in compliance with debt covenants, and other matters important to users of the financial statements, such as the effects of refinancing and noncompliance with debt covenants.

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