Manufacturing Segment Data (Tables)

6 Months Ended

Jul. 31, 2012

Segment Reporting [Abstract]

Schedule Of Revenue From External Customers Geographic Areas [Table Text Block]

Domestic and international sales from continuing operations are as follows:

	Three Months Ended								Six Months Ended
	July 31,								July 31,
	2012				2011				2012				2011
Domestic	$	9,088,224	38.7	%	$	13,543,528	52.4	%	$	18,861,184	39.7	%	$	28,244,316	54.9	%
International		14,411,100	61.3	%		12,289,966	47.6	%		28,618,851	60.3	%		23,174,006	45.1	%
Total	$	23,499,324	100.0	%	$	25,833,494	100.0	%	$	47,480,035	100.0	%	$	51,418,322	100.0	%

Schedule of Revenue from External Customers and Long-Lived Assets, by Geographical Areas [Table Text Block]

The table below represents information about reported manufacturing segments for the three-month and six-month periods noted therein:

	Three Months Ended  July 31,						Six Months Ended  July 31,
	2012			2011			2012			2011
Net Sales from Continuing Operations:
USA	$	9,985,821		$	15,196,314		$	20,579,964		$	30,752,896
Other foreign		5,983,909			5,009,038			11,507,122			9,728,051
China		10,103,401			8,248,211			18,265,261			14,807,174
Brazil		4,698,670			4,027,675			9,889,430			8,083,407
Less intersegment		(7,272,477	)		(6,647,744	)		(12,761,742	)		(11,953,206	)
Consolidated	$	23,499,324		$	25,833,494		$	47,480,035		$	51,418,322
External Sales from Continuing Operations:
USA	$	9,088,224		$	13,543,528		$	18,861,184		$	28,244,316
Other foreign		5,426,378			4,456,834			10,482,564			8,668,064
China		4,289,766			3,805,457			8,250,571			6,422,535
Brazil		4,694,956			4,027,675			9,885,716			8,083,407
Consolidated	$	23,499,324		$	25,833,494		$	47,480,035		$	51,418,322
Intersegment Sales from Continuing Operations:
USA	$	897,597		$	1,652,786		$	1,718,780		$	2,508,581
Other foreign		557,531			552,204			1,024,558			1,059,986
China		5,813,635			4,442,754			10,014,690			8,384,639
Brazil		3,714			—			3,714			—
Consolidated	$	7,272,477		$	6,647,744		$	12,761,742		$	11,953,206
Operating Profit (Loss) from Continuing Operations:
USA	$	(787,508	)	$	(229,293	)	$	(2,253,179	)	$	147,326
Other foreign		207,151			192,201			436,547			399,867
China		310,743			800,517			1,142,978			1,473,904
Brazil		(243,260	)		(109,820	)		131,290			(188,274	)
Less intersegment		664,847			171,518			719,275			568,737
Consolidated	$	151,973		$	825,123		$	176,911		$	2,401,560
Depreciation and Amortization Expense  from    Continuing Operations:
USA	$	151,868		$	163,231		$	290,989		$	353,114
Other foreign		54,425			36,463			104,237			70,433
China		84,808			80,625			171,968			157,530
Brazil		80,565			125,392			179,362			243,448
Consolidated	$	371,666		$	405,711		$	746,556		$	824,525
Interest Expense from Continuing Operations:
USA	$	145,544		$	87,599		$	245,566		$	161,702
Other foreign		51,214			57,611			103,537			115,904
China		—			—			—			—
Brazil		281,418			53,894			515,370			96,667
Less intersegment		(218,723	)		(58,853	)		(368,627	)		(115,641	)
Consolidated	$	259,453		$	140,251		$	495,846		$	258,632
Income Tax Expense (Benefit) from Continuing Operations:
USA	$	(241,936	)	$	(94,055	)	$	(745,327	)	$	(19,769	)
Other foreign		62,953			47,082			122,621			259,379
China		211,151			228,269			365,721			380,623
Brazil		(194,413	)		(90,989	)		(281,268	)		(138,445	)
Less intersegment		134,962			7,549			164,569			23,818
Consolidated	$	(27,283	)	$	97,856		$	(373,684	)	$	505,606
Total Assets (at Balance Sheet Date):
USA		—			—		$	31,851,220		$	41,027,491
Other foreign		—			—			17,266,496			15,503,646
China		—			—			24,960,350			21,845,949
India assets of discontinued operations		—			—			1,922,505			1,998,570
Brazil		—			—			25,377,362			29,652,744
Consolidated		—			—		$	101,377,933		$	110,028,400
Long-lived Assets (at Balance Sheet Date)
USA		—			—		$	5,185,067		$	3,960,687
Other foreign		—			—			3,241,461			2,611,349
China		—			—			2,735,270			2,492,448
Brazil		—			—			2,630,742			2,830,649
India		—			—			—			—
Consolidated		—			—		$	13,792,540		$	11,895,133