Document and Entity Information [Abstract] Document and Entity Information. Amendment Flag Current Fiscal Year End Date 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 Advances Payable (Disclosure (Notes Details)) Advances Payable Sum of the carrying values as of the balance sheet date of obligations payable to related parties incurred through that date and due within one year (or the operating cycle, if longer), including liabilities incurred (and for w hich invoices have typically been received) and payable to related party for goods and services received, interest, and rent. Capital contributions to variable interest entity (Cash Flows from Operating Activities: Cash Flows from Financing Activities) Capital contributions to variable interest entity Cash contributions by members of variable interest entity. Disclosure (Notes Details): Mr. Kruger [Member] Mr. Kruger Transactions involving Mr. Kruger Note payable and related accrued interest (Disclosure (Notes Details)) Note payable and related accrued interest The amount for notes payable and related accrued interest due to related parties. Disclosure (Notes Details): Note payable to BancFirst, prime rate of interest plus 1%, paid June 2012 [Member] Note payable to BancFirst, prime rate of interest plus 1%, paid June 2012 Note payable to BancFirst Disclosure (Notes Details): Note payable to Robert Rosene, 7.5% interest, due January 15, 2014 [Member] Note payable to Robert Rosene, 7.5% interest, due January 15, 2014 Note Payable to Greystone Director Disclosure (Notes Details): Note payable by variable interest entity to F&M Bank & Trust Company, prime rate of interest but not less than 4.75%, due March 15, 2014, monthly installments of $35,512, secured by buildings and land [Member] Note payable by variable interest entity to F&M Bank & Trust Company, prime rate of interest but not less than 4.75%, due March 15, 2014, monthly installments of $35,512, secured by buildings and land Note payable by variable interest entity to F&M Bank & Trust Company Disclosure (Notes Details): Note payable to F&M Bank & Trust Company, prime rate of interest not less than 4.5%, due March 13, 2014, monthly principal payments of $72,593 plus interest [Member] Note payable to F&M Bank & Trust Company, prime rate of interest not less than 4.5%, due March 13, 2014, monthly principal payments of $72,593 plus interest Note payable to F&M Bank & Trust Company Disclosure (Notes Details): Note payable to Warren Kruger, 7.5% interest, due January 15, 2014 [Member] Note payable to Warren Kruger, 7.5% interest, due January 15, 2014 Note Payable to Greystone President Notes Payable (Disclosure (Notes Tables)) Notes Payable Tabular disclosure of all or some of the information related to notes payable, as of the financial reporting date. Cash Flows from Operating Activities (Statement Of Cash Flows): Cash Flows from Operating Activities: Heading for indrect method of computing cash flows from operations. Percent of pallet sales to largest customer (Disclosure (Notes Details)) Percent of pallet sales to largest customer Percentage of pallet revenues generated from a single external customer. Total Other Expense, net (Sales: Other Income (Expense)) Total Other Expense, net Total Other Expense net: The total of other income and expense and interest expense. Disclosure (Notes Details): Yorktown Management & Financial Services [Member] Yorktown Management & Financial Services Transactions involving Yorktown Management & Financial Services, LLC Accounts Payable and Accrued Liabilities, Current Accounts payable and accrued expenses Accounts Payable, Related Parties, Current Accounts payable and accrued expenses - related parties Accounts Receivable, Net, Current Accounts receivable, net of allowance of $50,000 Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment Less: Accumulated Depreciation Additional Paid in Capital Additional paid-in capital Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Adjustments to reconcile net income to net cash provided by operating activities: Allocated Share-based Compensation Expense Stock-based compensation Allowance for Doubtful Accounts Receivable, Current Allowance for doubtful accounts Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Antidilutive Securities Assets Total Assets Assets [Abstract] Assets Assets, Current Total Current Assets Assets, Current [Abstract] Current Assets: Auction Market Preferred Securities, Stock Series [Axis] Auction Market Preferred Securities, Stock Series [Axis] Basis of Accounting [Text Block] Basis of Financial Statements Call Option [Member] Call Option Capital Lease Obligations Capitalized lease payable, due August 15, 2016, 5% interest, monthly payments of $10,625 plus $0.50 per pallet for monthly sales in excess of 12,500 Capital Lease Obligations Incurred Acquisition of equipment by capital lease Cash Cash, beginning of period Cash, end of period Cash and Cash Equivalents, at Carrying Value Cash Cash Flow, Noncash Investing and Financing Activities Disclosure [Abstract] Non-Cash Activities: Cash, Period Increase (Decrease) Net Increase in Cash Common Stock, Par or Stated Value Per Share Common stock, par value Common Stock, Shares Authorized Common stock authorized shares Common Stock, Shares, Issued Common stock shares issued Common Stock, Shares, Outstanding Common stock shares outstanding Common Stock, Value, Issued Common stock; $0.0001 par value; 5,000,000,000 shares authorized; 26,111,201 shares outstanding Convertible Preferred Stock [Member] Convertible Preferred Stock Cost of Goods Sold Cost of Sales Current Income Tax Expense (Benefit) Benefit From Income Taxes Debt Disclosure [Text Block] Notes Payable Deferred Compensation Liability, Classified, Noncurrent Deferred Compensation Payable Deferred Income Tax Expense (Benefit) Deferred income taxes Deferred Tax Assets, Net of Valuation Allowance, Noncurrent Deferred Tax Asset Depreciation, Depletion and Amortization, Nonproduction Depreciation and amortization Dividends Payable, Current Preferred dividends payable Due from Related Parties, Current Accounts receivable - related party Earnings Per Share, Basic Earnings per share: Basic Earnings Per Share, Diluted Earnings per share: Diluted Earnings Per Share [Text Block] Earnings Per Share Entity-Wide Revenue, Major Customer, Percentage Percent of total sales to largest customer Equity Component [Domain] Equity Component [Domain] Fair Value Disclosures [Text Block] Fair Value of Financial Instruments Gross Profit Gross Profit Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Extraordinary Items, Noncontrolling Interest Income Before Income Taxes Income Statement [Abstract] Increase (Decrease) in Accounts Payable and Accrued Liabilities Changes in accounts payable and accrued expenses Increase (Decrease) in Inventories Changes in inventory Increase (Decrease) in Other Noncurrent Assets Changes in other assets Increase (Decrease) in Prepaid Expense and Other Assets Changes in prepaid expenses and other Increase (Decrease) in Receivables Changes in receivables Incremental Common Shares Attributable to Call Options and Warrants Weighted-average shares outstanding: Incremental shares from assumed conversion of options Interest Expense Interest Expense Interest Paid Interest paid Interest Payable Accrued Interest Inventory Disclosure [Text Block] Inventory Inventory, Finished Goods, Gross Finished goods Inventory, Gross Inventory Inventory, Net Total inventory Inventory, Raw Materials, Gross Raw materials Liabilities [Abstract] Liabilities and Deficit Liabilities and Equity Total Liabilities and Deficit Liabilities, Current Total Current Liabilities Liabilities, Current [Abstract] Current Liabilities: Liabilities, Noncurrent [Abstract] Liabilities and Deficit Loans Payable to Bank Debt owed by Messrs. Kruger and Rosene to F&M Long-term Debt, Current Maturities Current portion of long-term debt Long-term Debt, Excluding Current Maturities Long-Term Debt, net of current portion Long-term Debt, Type [Axis] Long-term Debt, Type [Axis] Long-term Debt, Type [Domain] Long-term Debt, Type [Domain] Stockholders’ Equity Attributable to Noncontrolling Interest Non-controlling interests Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders Distributions by variable interest entity Net Income (Loss) Attributable to Noncontrolling Interest, Other Income Attributable to Variable Interest Entities, net Net Cash Provided by (Used in) Financing Activities [Abstract] Cash Flows from Financing Activities: Net Cash Provided by (Used in) Investing Activities Net cash used in financing 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 provided by operating activities Net Income (Loss) Attributable to Parent Net income Net Income Net Income (Loss) Attributable to Parent [Abstract] Numerator: Net Income (Loss) Available to Common Stockholders, Basic Net income available to common stockholders: Net Income (Loss) Available to Common Stockholders, Basic [Abstract] Income Available to Common Stockholders: Notes Payable Total Notes Payable Notes Payable, Current Less: Current portion Notes Payable, Related Parties Note payable Notes Payable to Bank Note payable Open Option Contracts Written Type [Axis] Open Option Contracts Written Type [Axis] Open Option Contracts Written Type [Domain] Open Option Contracts Written Type [Domain] Operating Income (Loss) Operating Income Other Assets, Noncurrent Other Assets Other Nonoperating Income (Expense) Other Income (Expense) Other Nonoperating Income (Expense) [Abstract] Other Income (Expense): Other Notes Payable Other notes payable Partners’ Capital [Abstract] Deficit: Payments for (Proceeds from) Loans and Leases Net decrease in liabilities due to deconsolidation of VIE Payments of Ordinary Dividends, Preferred Stock and Preference Stock Preferred dividend accrual Payments to Acquire Property, Plant, and Equipment Purchase of property and equipment Payments to Fund Long-term Loans to Related Parties Payments on advances from related party Preferred Stock Dividends and Other Adjustments Preferred Dividends Preferred Stock, Par or Stated Value Per Share Preferred stock, par value Preferred Stock, Shares Authorized Preferred stock authorized shares Preferred Stock, Shares Issued Preferred stock shares issued Preferred Stock, Shares Outstanding Preferred stock shares outstanding Preferred Stock, Value, Issued Preferred stock; $0.0001 par value; $5,000,000 liquidation preference; 20,750,000 shares authorized; 50,000 shares issued and outstanding Prepaid Expense and Other Assets Prepaid expenses and other Property, Plant and Equipment, Gross Property, Plant and Equipment Property, Plant and Equipment, Net Property, Plant and Equipment, net Related Party [Domain] Related Party [Domain] Related Party [Axis] Related Party [Axis] Related Party Transactions Disclosure [Text Block] Related Party Receivable Repayments of Long-term Debt Payments on long-term debt and capitalized leases Retained Earnings (Accumulated Deficit) Accumulated deficit Revenue, Net Sales Schedule of Calculation of Numerator and Denominator in Earnings Per Share [Table Text Block] The following table sets forth Schedule of Inventory, Current [Table Text Block] Inventory Selling, General and Administrative Expense General, Selling and Administrative Expenses Statement [Line Items] Statement of Cash Flows [Abstract] Statement of Financial Position [Abstract] Statement [Table] Stockholders’ Equity Attributable to Parent Total Greystone Stockholders’ Deficit Stockholders’ Equity Attributable to Parent [Abstract] Deficit: Stockholders’ Equity, Including Portion Attributable to Noncontrolling Interest Total Deficit Supplemental Cash Flow Information [Abstract] Supplemental Information: Unusual Risks and Uncertainties [Table Text Block] Risks and Uncertainties Weighted Average Number of Shares Outstanding, Diluted Weighted-average shares outstanding: Diluted shares Weighted Average Number of Shares Outstanding, Diluted [Abstract] Denominator: Weighted Average Number of Shares Outstanding, Basic Weighted-average shares outstanding: Basic