Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($)	6 Months Ended
May 31, 2018	May 31, 2017
Cash flows from operations:
Net (loss) from continuing operations	$ (1,181,377)	$ (762,547)
Net (loss) from discontinued operations	(50,853)	(15,041)
Adjustments to reconcile net (loss) to net cash provided by (used in) operating activities:
Stock based compensation	111,436	72,959
Loss on release of cumulative translation adjustment	253,180
Unrealized foreign currency gain (loss)	3,830	(5,098)
(Gain)/Loss on disposal of property, plant, and equipment	(12,084)	11,945
Depreciation and amortization expense	408,757	342,387
Bad debt expense (recovery)	(9,044)	(4,952)
Deferred income taxes	80,432	(360,464)
Changes in assets and liabilities:
Accounts receivable	(155,874)	(512,044)
Inventories, net	437,307	(425,931)
Income taxes receivable		16,505
Net investment in sales-type leases	(349,981)
Other assets	87,529	(273,758)
Accounts payable	384,157	923,695
Contracts in progress, net	(252,146)	34,618
Customer deposits	8,580	353,772
Income taxes payable	400
Accrued expenses	(149,197)	(10,843)
Net cash (used in) operating activities - continuing operations	(334,095)	(599,756)
Net cash (used in) operating activities - discontinued operations	(89,697)	(22,635)
Net cash (used in) operating activities	(423,792)	(622,391)
Cash flows from investing activities:
Purchases of property, plant, and equipment	(164,874)	(293,919)
Net proceeds from sale of assets	29,316	12,190
Net cash (used in) investing activities - continuing operations	(135,558)	(281,729)
Net cash provided by investing activities - discontinued operations	1,418,761	38,736
Net cash provided by (used in) investing activities	1,283,203	(242,993)
Cash flows from financing activities:
Net change in line of credit	338,000	(450,000)
Repayment of term debt	(109,295)	(364,080)
Repurchases of common stock	(21,310)	(6,425)
Net cash provided by (used in) financing activities - continuing operations	(468,605)	79,495
Net cash (used in) financing activities - discontinued operations	(599,584)	(65,035)
Net cash provided by (used in) financing activities	(1,068,189)	14,460
Net (decrease) in cash	(208,778)	(850,924)
Cash at beginning of period	212,400	1,063,716
Cash at end of period	3,622	212,792
Supplemental disclosures of cash flow information:
Interest	142,426	148,203
Income taxes	5,237
Supplemental disclosures of non-cash operating and investing activities:
Transfer of inventory to assets held for lease	$ 800,343

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Amount of cash inflow (outflow) from financing activities, including discontinued operations. Financing activity cash flows include obtaining resources from owners and providing them with a return on, and a return of, their investment; borrowing money and repaying amounts borrowed, or settling the obligation; and obtaining and paying for other resources obtained from creditors on long-term credit.

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Amount of cash inflow (outflow) of financing activities, excluding discontinued operations. Financing activity cash flows include obtaining resources from owners and providing them with a return on, and a return of, their investment; borrowing money and repaying amounts borrowed, or settling the obligation; and obtaining and paying for other resources obtained from creditors on long-term credit.

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Amount of cash inflow (outflow) from investing activities, including discontinued operations. Investing activity cash flows include making and collecting loans and acquiring and disposing of debt or equity instruments and property, plant, and equipment and other productive assets.

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Amount of cash inflow (outflow) of investing activities, excluding discontinued operations. Investing activity cash flows include making and collecting loans and acquiring and disposing of debt or equity instruments and property, plant, and equipment and other productive assets.

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Amount of cash inflow (outflow) from operating activities, including discontinued operations. Operating activity cash flows include transactions, adjustments, and changes in value not defined as investing or financing activities.

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Amount of cash inflow (outflow) from operating activities, excluding discontinued operations. Operating activity cash flows include transactions, adjustments, and changes in value not defined as investing or financing activities.

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The cash outflow to reacquire common stock during the period.

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The cash outflow associated with the acquisition of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale; includes cash outflows to pay for construction of self-constructed assets.

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The net cash inflow or cash outflow from a contractual arrangement with the lender, including letter of credit, standby letter of credit and revolving credit arrangements, under which borrowings can be made up to a specific amount at any point in time with either short term or long term maturity that is collateralized (backed by pledge, mortgage or other lien in the entity's assets).

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The cash inflow from the sale of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale.

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Amount of expense related to write-down of receivables to the amount expected to be collected. Includes, but is not limited to, accounts receivable and notes receivable.

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The cash outflow for debt initially having maturity due after one year or beyond the normal operating cycle, if longer.

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The aggregate amount of noncash, equity-based employee remuneration. This may include the value of stock or unit options, amortization of restricted stock or units, and adjustment for officers' compensation. As noncash, this element is an add back when calculating net cash generated by operating activities using the indirect method.

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