Document and Entity Information [Abstract] Document And Entity Information [Abstract] Controlling Shareholder [Abstract] Controlling Shareholder [Abstract] Controlling Shareholder Controlling Shareholder Disclosure [Text Block] Controlling Shareholder Disclosure [Text Block] CONTROLLING SHAREHOLDER Controlling Shareholder Controlling Shareholder Increase Decrease In Costs And Estimated Earnings In Excess Of Billings Increase Decrease In Costs And Estimated Earnings In Excess Of Billings Costs and estimated earnings in excess of billings Costs and estimated earnings in excess of billings Amortization Of Restricted Stock - Non-Cash Compensation Expense Amortization Of Restricted Stock - Non-Cash Compensation Expense Non-cash compensation expense Capital lease obligations incurred, office equipment. Capital Lease Obligations Incurred, Office Equipment Capital lease obligation related to office equipment Detail of certain balance sheet accounts [Abstract]. Detail Of Certain Balance Sheet Accounts [Abstract] Detail of certain balance sheet accounts [Text Block]. Detail of Certain Balance Sheet Accounts [Text Block] Detail Of Certain Balance Sheet Accounts Gain on sale of business unit Gain on sale of business unit Gain_sale_bus_unit Proceeds on sale of facilities Proceeds_sale_facilities Controlling Shareholder Controlling Shareholders Summary of Significant Accounting Policies Summary of Significant Accounting Policies Reclass Reclassifications Sales of Facilities Sales of Facilities Revenue Recognition Revenue Recognition Fair Value of Financial Instruments Fair Value of Financial Instruments Asset Impairment Asset Impairment Use of Estimates and Assumptions Use of Estimates and Assumptions Seasonality and Quarterly Fluctuations Seasonality and Quarterly Fluctuations Subsequent Events Subsequent Events Restructuring Plan 2011 The 2011 Restructuring Plan Restructuring Income Statement 2011 2011 Restructuring Income Statement Restructuring Activities Restructuring Activities Restructuring Plan 2009 Additional Facility Closing Future Payments on Debt Future Payments on Debt The Revolving Credit Facility The Revolving Credit Facility Liquidity Liquidity Financial Covenants Financial Covenants Tontine Term Loan The Tontine Capital Partners Term Loan Operating Segment Current Year Operating Segment Current Year Operating Segment Prior Year Operating Segment Prior Year Operating Segment 2 Prior Years Ago Operating Segment 2 Prior Years Ago Treasury Stock Treasury Stock Restricted Stock Restricted Stock Stock Options Stock Options Fair Value Method Calculation Fair Value Method Calculation Stock Options Activity Stock Options Activity Options Outstanding and Exercisable Options Outstanding and Exercisable Investment in Enertech Investment in Enertech Arbinet Corporation Arbinet Corporation Management Incentive Plan Management Incentive Plan Executive Savings Plan Executive Savings Plan Post Retirement Benefit Plans Post Retirement Benefit Plans Ward Transformer Site Ward Transformer Site Risk Management Risk Management Surety Surety Other Commitments and Contingencies Other Commitments and Contingencies Inputs Applicableto Fair Value Measurements Inputs Applicable to The fair Value Measurements Descriptionof Inputsto Value Financial Assets Description of The Inputs to Value The Financial Assets Cash and Cash Equivalents Cash and Cash Equivalents Restatement of Financial Statement [Abstract] Restatement of Financial Statement Restatement of Financial Statement Changes in Restricted Cash Changes in Restricted Cash Restricted Cash Restricted Cash Per Share Information 2 Per Share Information 2 Per Share Information 3 Per Share Information 3 Accounts Receivable, Net, Current Trade, net of allowance of $2,146 and $2,645, respectively Accounts Receivable, Net, Current, Total Accounts Receivable, Net, Noncurrent LONG-TERM RECEIVABLE, net of allowance of $53 and $$4,051, respectively Accounts Receivable, Net, Noncurrent, Total Accumulated Other Comprehensive Income (Loss), Net of Tax Accumulated Other Comprehensive Income (Loss), Net of Tax, Ending Balance Accumulated Other Comprehensive Income (Loss), Net of Tax, Beginning Balance Accumulated other comprehensive income Accumulated Other Comprehensive Income (Loss), Net of Tax, Total Additional Paid in Capital Additional Paid in Capital, Ending Balance Additional Paid in Capital, Beginning Balance Additional paid-in capital Additional Paid in Capital, Total Gain (Loss) on Sale of Equity Investments Equity in (gains) losses of investment Equity in (gains) losses of investment Allowance for Doubtful Accounts Receivable, Noncurrent Allowance for Long Term Receivables LONG TERM RECEIVABLES, allowance Allowance for Doubtful Accounts Receivable, Current Allowance for Doubtful Accounts Allowance for Doubtful Accounts Receivable, Current, Ending Balance Allowance for Doubtful Accounts Receivable, Current, Beginning Balance Trade, allowance Allowance for Doubtful Accounts Amortization of Financing Costs Deferred financing cost amortization Amortization of Intangible Assets Amortization related to trade names Amortization of Intangible Assets, Total Asset Impairment Charges Goodwill adjustment - utilization of deferred tax assets Asset Impairment Charges, Total Asset Impairment Consolidated Balance Sheets [Abstract] Earnings Per Share, Basic Total Total Total Billings in Excess of Cost Billings in excess of costs and estimated earnings on uncompleted contracts Billings in Excess of Cost, Total Cash and Cash Equivalents, at Carrying Value CASH AND CASH EQUIVALENTS, end of period CASH AND CASH EQUIVALENTS, beginning of period Cash and cash equivalents Cash and Cash Equivalents, at Carrying Value, Total Interest Paid Cash paid for interest Interest Paid, Total Increase (Decrease) in Accounts Payable and Accrued Liabilities Accounts payable and accrued expenses Accounts payable and accrued expenses Increase (Decrease) in Accounts Payable and Accrued Liabilities, Total Increase (Decrease) in Accounts Receivable Accounts receivable Accounts receivable Increase (Decrease) in Billing in Excess of Cost of Earnings Billings in excess of costs and estimated earnings Increase (Decrease) in Inventories Inventories Inventories Increase (Decrease) in Inventories, Total Increase (Decrease) in Prepaid Expense and Other Assets Prepaid expenses and other current assets Prepaid expenses and other current assets Increase (Decrease) in Prepaid Expense and Other Assets, Total Changes in operating assets and liabilities Commitments and Contingencies Disclosure [Text Block] COMMITMENTS AND CONTINGENCIES Legal Matters Common Stock, Shares Authorized Common stock, shares authorized