Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($)	9 Months Ended
	Aug. 31, 2017	Aug. 31, 2016
Cash flows from operations:
Net income (loss) from continuing operations	$ (720,900)	$ 807
Net (loss) from discontinued operations	(33,482)	(264,685)
Adjustments to reconcile net (loss) to net cash provided by operating activities:
Stock based compensation	92,225	70,846
Unrealized foreign currency loss
Impairment of Asset Available for Sale
(Gain)/Loss on disposal of property, plant, and equipment	20,824	(26,473)
Depreciation and amortization expense	516,642	516,904
Impairment of goodwill
Bad debt expense	15,452	24,527
Deferred income taxes	(319,833)	(64,969)
Changes in assets and liabilities:
Accounts receivable	(1,011,520)	(842,313)
Inventories	348,888	1,517,567
Income taxes receivable	265,924	192,041
Other assets	(155,776)	(233,758)
Accounts payable	870,377	622,394
Contracts in progress, net	182,985	(147,356)
Customer deposits	(164,970)	(100,631)
Income taxes payable	3,100
Accrued expenses	14,638	(247,339)
Net cash provided by (used in) operating activities - continuing operations	(41,944)	1,282,247
Net cash provided by (used in) operating activities - discontinued operations	(69,028)	82,632
Net cash provided by (used in) operating activities	(110,972)	1,364,879
Cash flows from investing activities:
Purchases of property, plant, and equipment	(472,031)	(114,376)
Net proceeds from sale of assets	17,156	1,173,492
Net cash provided by (used in) investing activities - continuing operations	(454,875)	1,059,116
Net cash provided by (used in) investing activities - discontinued operations	40,936	(19,068)
Net cash provided by (used in) investing activities	(413,939)	1,040,048
Cash flows from financing activities:
Net change in line of credit	(450,000)	525,542
Repayment of term debt	(551,585)	(1,730,774)
Repurchases of common stock	(6,425)
Net cash (used in) financing activities - continuing operations	(108,010)	(2,256,316)
Net cash (used in) financing activities - discontinued operations	(97,930)	(94,789)
Net cash (used in) financing activities	(205,940)	(2,351,105)
Effect of exchange rate changes on cash	60,411
Net increase (decrease) in cash	(670,440)	53,822
Cash at beginning of period	1,063,716	447,231
Cash at end of period	393,276	501,053
Supplemental disclosures of cash flow information:
Interest	247,330	202,007
Income taxes		$ 4,872