Amendment Flag Current Fiscal Year End Date Document and Entity Information [Abstract] Document and Entity Information [Abstract] Document Fiscal Period Focus Document Fiscal Year Focus Document Period End Date Document Type Entity Central Index Key Entity Common Stock, Shares Outstanding Entity Filer Category Entity Registrant Name Trading Symbol Comprehensive Income (Loss), Net of Tax, Attributable to Parent Total comprehensive income Cost of Revenue Cost of revenues Net Income per Common Share [Abstract] Net income per common share Earnings Per Share, Basic Basic Earnings Per Share, Diluted Diluted Equipment dispositions General and Administrative Expense General and administrative Gross Profit Gross profit Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Extraordinary Items, Noncontrolling Interest Income before provision for income taxes CONDENSED STATEMENTS OF INCOME [Abstract] Income Tax Expense (Benefit) Provision for income taxes Interest Expense Interest expense Investment Income, Interest Interest income Net income Operating Expenses Total operating expenses Operating Expenses [Abstract] Operating expenses Operating Income (Loss) Operating income Other Comprehensive Income (Loss), Net of Tax Net loss recognized in other comprehensive income Other Comprehensive Income (Loss), Net of Tax [Abstract] Other Comprehensive Income (Loss), Unrealized Holding Gain (Loss) on Securities Arising During Period, Net of Tax Unrealized loss on available for sale securities Provision for Doubtful Accounts Provision for doubtful accounts, net Revenues Revenues Weighted Average Number of Shares Outstanding, Diluted Diluted Weighted Average Number of Shares Outstanding, Diluted [Abstract] Weighted average number of common shares outstanding Weighted Average Number of Shares Outstanding, Basic Basic Other comprehensive income (loss): Accounts Payable, Current Accounts payable Accounts Receivable, Net Accounts receivable, net of allowance for doubtful accounts of $624,721 and $582,510, respectively Accrued expenses and other liabilities Additional Paid in Capital Additional paid-in capital Assets Total assets Assets [Abstract] ASSETS Assets, Current Total current assets Assets, Current [Abstract] Current assets: Bank Overdrafts Checks issued in advance of deposits Cash and Cash Equivalents, at Carrying Value Cash and cash equivalents Common Stock, Value, Issued Common stock, $.0001 par value Insurance Reserves Noncurrent Insurance reserves The aggregate amount of policy reserves (provided for future obligations including unpaid claims and claims adjustment expenses) and policy benefits (liability for future policy benefits) as of the balance sheet date; grouped amount of all the liabilities associated with the company's insurance policies that are expected to be paid after one year (or the normal operating cycle, if longer). Intangible Assets, Net (Including Goodwill) Intangible assets, net Liabilities Total liabilities Liabilities and Equity Total liabilities and stockholders' equity Liabilities and Equity [Abstract] LIABILITIES AND STOCKHOLDERS' EQUITY Liabilities, Current Total current liabilities Liabilities, Current [Abstract] Current liabilities: Other Assets, Current Other assets Other Assets, Miscellaneous, Noncurrent Other assets Other Assets, Noncurrent Total other assets Other Assets, Noncurrent [Abstract] Other assets: Preferred Stock, Value, Issued Preferred stock, Series A, $.0001 par value Prepaid Expense, Current Prepaid expenses Property, Plant and Equipment, Net Furniture and equipment at cost, net Restricted Cash and Cash Equivalents Restricted cash Retained Earnings (Accumulated Deficit) Accumulated earnings Short-term Debt Short-term borrowings CONDENSED BALANCE SHEETS [Abstract] Stockholders' Equity Attributable to Parent Total stockholders' equity Stockholders' Equity Attributable to Parent [Abstract] Stockholders' equity: Treasury Stock, Value Treasury stock, at cost Allowance for Doubtful Accounts Receivable, Current Accounts receivable, allowance for doubtful accounts Common Stock, Par or Stated Value Per Share Common stock, par value per share Preferred Stock, Par or Stated Value Per Share Preferred stock, Series A, par value per share Accumulated Other Comprehensive Loss [Member] Accumulated Other comprehensive income (loss) [Member] Additional paid-in capital [Member] Additional Paid-in Capital [Member] Adjustments to Additional Paid in Capital, Share-based Compensation, Requisite Service Period Recognition Stock compensation cost Common Stock [Member] Common Stock [Member] Equity Component [Domain] Net income Other Comprehensive Income (Loss), Available-for-sale Securities Adjustment, Net of Tax Unrealized gain and reclassification adjustment on available for sale securities Other comprehensive loss (a) Accumulated deficit [Member] Accumulated Earnings [Member] Series A Preferred Stock [Member] Preferred Stock [Member] Equity Components [Axis] Statement [Line Items] CONDENSED STATEMENTS OF CHANGES IN STOCKHOLDERS? EQUITY [Abstract] Statement [Table] Balance Balance Treasury Stock [Member] Treasury Stock [Member] Treasury Stock, Value, Acquired, Cost Method Common stock repurchased Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Adjustments to reconcile net income to net cash (used in) provided by operating activities: Cash and cash equivalents, beginning of period Cash and cash equivalents, end of period Cash and Cash Equivalents, Period Increase (Decrease) Net change in cash and cash equivalents Deferred Income Tax Expense (Benefit) Deferred income taxes Depreciation, Depletion and Amortization, Nonproduction Depreciation and amortization Escrow Deposit Disbursements Related to Property Acquisition Return of escrow funds related to prior business acquisition Gain (Loss) on Disposition of Property Gain on asset dispositions Income Taxes Paid Income taxes Increase Decrease Accounts Receivable Prepaid And Other Assets (Increase) decrease in receivables, prepaid expenses and other current assets Increase (Decrease) in Accounts Receivable, Prepaid and Other Current Assets Increase (Decrease) in Accounts Payable and Accrued Liabilities Increase (decrease) in accounts payable and other current liabilities Increase Decrease In Insurance Reserves Insurance reserves The increase (decrease) during the period in the aggregate amount of policy reserves (provided for future obligations including unpaid claims and claims adjustment expenses) and policy benefits (liability for future policy benefits) as of the balance sheet date; grouped amount of all the liabilities associated with the company's insurance policies. Increase (Decrease) in Outstanding Checks, Financing Activities Increase in checks issued in advance of deposits Increase (Decrease) in Restricted Cash for Operating Activities Restricted cash Interest Paid Interest Marketable Securities Received Related To Bankruptcy Filing Of Customer Marketable Securities Received Related To Bankruptcy Filing Of Customer Marketable securities received related to bankruptcy filing of customer Net Cash Provided by (Used in) Financing Activities Net cash used in financing activities Net Cash Provided by (Used in) Financing Activities [Abstract] Cash flows from financing activities: Net Cash Provided by (Used in) Investing Activities Net cash provided by (used in) investing activities Net Cash Provided by (Used in) Investing Activities [Abstract] Cash flows from investing activities: Net Cash Provided by (Used in) Operating Activities Net cash (used in) provided by operating activities Net Cash Provided by (Used in) Operating Activities [Abstract] Cash flow from operating activities: Net Income (Loss) Attributable to Parent Net income Payments to Acquire Property, Plant, and Equipment Purchases of equipment Proceeds from Collection of Other Receivables Collection on other receivable Proceeds from Sale of Property, Plant, and Equipment Proceeds from asset dispositions Provision For Reduction Of Doubtful Accounts Provision for doubtful accounts, net (Reduction) or increase in provision for doubtful accounts. Repayments of Long-term Capital Lease Obligations Principal payments on capital lease obligations Repayments of Short-term Debt Net repayments on short-term borrowings Share-based Compensation Stock based compensation costs CONDENSED STATEMENTS OF CASH FLOWS [Abstract] Supplemental Cash Flow Information [Abstract] Supplemental Disclosures of Cash Flow Information Recent Accounting Pronouncements [Abstract] Accounting Changes and Error Corrections [Text Block] Recent Accounting Pronouncements Short-term Debt [Text Block] Short-Term Borrowings Other Assets [Abstract] Other Assets Disclosure [Text Block] Other Assets Schedule of Other Assets [Table Text Block] Other Assets Accrued Expenses And Other Liabilities Disclosure [Text Block] Accrued Expenses and Other Liabilities iscloses the breakout of accrued expenses and other liabilities that are not individually material for a separate caption on the statement of financial position between the current portion (payable within 12 months of year end or the operating cycle) and non-current (payable after 12 months from year end). Accrued Expenses and Other Liabilities [Abstract] Schedule of Accounts Payable and Accrued Liabilities [Table Text Block] Accrued Expenses and Other Liabilities Insurance Reserves [Abstract] Insurance Disclosure [Text Block] Insurance Reserves Earnings Per Share [Text Block] Net Income per Common Share Contingencies [Abstract] Contingencies Disclosure [Text Block] Contingencies Describes any existing condition, situation, or set of circumstances involving uncertainty as of the balance sheet date (or prior to issuance of the financial statements) as to a probable or reasonably possible gain or loss incurred by an entity and typically discloses the amount of range of possible gain or loss recorded. Subsequent Event [Abstract] Subsequent Events [Text Block] Subsequent Event Short-Term Borrowings [Abstract] Debt Instrument [Axis] Debt Instrument, Basis Spread on Variable Rate Interest rate in addition to LIBOR or Prime base rate Debt Instrument Covenant For Repurchase Of Additional Common Stock Debt Instrument Covenant For Repurchase Of Additional Common Stock Additional permitted amount for repurchase of common stock Debt Instrument Covenant For Repurchase Of Common Stock Debt Instrument Covenant for Repurchase of Common Stock Permitted amount for repurchase of common stock Debt Instrument, Name [Domain] Letter Of Credit Sub Line [Member] Letter of credit sub-line [Member] Letter of credit sub-line [Member] Line of Credit Facility, Amount Outstanding Outstanding amount under agreement Line of Credit Facility, Maximum Borrowing Capacity Credit agreement amount Line Of Credit Facility Outstanding Borrowing Percentage Line of Credit Facility, Outstanding Borrowing Percentage Credit agreement amount outstanding percent of maximum borrowing capacity London Interbank Offered Rate Loans [Member] LIBOR loans [Member] LIBOR loans [Member] Revolving Credit Facility [Member] Revolving loans [Member] Schedule of Short-term Debt [Table] Short-term Debt [Line Items] Deferred Tax Assets, Net Deferred tax asset Other Assets Other Current portion Other Assets, Miscellaneous Other Assets, Miscellaneous, Total Total non-current portion Other Receivables Other receivables Security Deposit Security deposits Workers Compensation Insurance Workers Compensation Insurance Workers' compensation insurance Accrued Expenses And Other Current Liabilities Accrued expenses and other current liabilities Total Employee-related Liabilities, Current Payroll and related expenses Interest Payable, Current Accrued interest payable Other Accrued Liabilities, Current Other Taxes And Fees Payable Current Taxes and fees payable Increase (Decrease) in Workers' Compensation Liabilities Estimated workers' compensation related losses incurred and included in cost of sales Insurance Policy Coverage Per Occurrence Insurance Policy Coverage Per Occurrence Insurance coverage limits per occurrence Umbrella Insurance Policy Coverage Per Occurrence Umbrella Insurance Policy Coverage Per Occurrence Excess umbrella policy Aircraft Operations [Member] Aircraft Operations [Member] Aircraft operations [Member] Airport Wheelchair And Electric Cart Operations [Member] Airport Wheelchair And Electric Cart Operations [Member] Airport wheelchair and electric cart operations [Member] Aviation Related Business Member Aviation Related Business [Member] Aviation related business [Member] Loss Contingency, Damages Sought, Value Amount claimed by a customer in connection with bankruptcy proceedings Non Aviation Related Business Member Non Aviation Related Business [Member] Non-aviation related business [Member] Schedule of Segment Reporting Information, by Segment [Table] Segment [Domain] Segment Reporting Information [Line Items] Self Insured Amount Per Occurrence Self Insured Amount Per Occurrence Self Insurance per occurrence Skycap Operations Member Skycap Operations [Member] Skycap operations [Member] Business Segments [Axis]