8. NOTES PAYABLE AND CAPITAL LEASE OBLIGATIONS (Details) (USD $)	Jun. 30, 2012	Dec. 31, 2011	Dec. 31, 2010
Notes Payable And Capital Lease Obligations Details
Revolving credit notes payable to PNC Bank N.A. ("PNC") and secured by substantially all assets	$ 14,278,000	$ 10,880,000
Term loan, PNC	5,400,000	2,000,000
Capital lease obligations	1,589,000	1,871,000
Notes payable to sellers of acquired business	1,681,000	1,976,000
Junior subordinated notes	1,115,000	6,320,000
Subtotal	24,063,000	23,047,000
Less: Current portion of notes and capital obligations	(17,297,000)	(14,055,000)	(12,940,000)
Notes payable and capital lease obligations, net of current portion	$ 6,766,000	$ 8,992,000	$ 11,536,000

Including the current and noncurrent portions, carrying value as of the balance sheet date of long-term debt (with maturities initially due after one year or beyond the operating cycle if longer) identified as Junior Subordinated Notes, which have a lower priority than senior instruments.

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The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

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- Definition

Carrying amount of long-term debt, net of unamortized discount or premium, including current and noncurrent amounts. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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