5. PROPERTY, PLANT & EQUIPMENT (Details) (USD $)	Mar. 31, 2015	Dec. 31, 2014
Property, Plant and Equipment [Line Items]
Property, Plant & equipment, Cost	$ 10,902,119	$ 11,490,398
Accumulated Depreciation	6,582,670	6,725,498
Net	4,319,449	4,764,900
Buildings [Member]
Property, Plant and Equipment [Line Items]
Property, Plant & equipment, Cost	4,909,966	5,065,433
Accumulated Depreciation	2,666,932	2,653,287
Net	2,243,034	2,412,146
Computer hardware [Member]
Property, Plant and Equipment [Line Items]
Property, Plant & equipment, Cost	92,396	97,124
Accumulated Depreciation	85,242	89,083
Net	7,154	8,041
Furniture and fixtures [Member]
Property, Plant and Equipment [Line Items]
Property, Plant & equipment, Cost	24,111	25,548
Accumulated Depreciation	20,817	21,906
Net	3,294	3,642
Office equipment [Member]
Property, Plant and Equipment [Line Items]
Property, Plant & equipment, Cost	18,810	20,537
Accumulated Depreciation	17,305	18,807
Net	1,505	1,730
Manufacturing equipment [Member]
Property, Plant and Equipment [Line Items]
Property, Plant & equipment, Cost	5,316,746	5,710,354
Accumulated Depreciation	3,709,857	3,864,204
Net	1,606,889	1,846,150
Trailer [Member]
Property, Plant and Equipment [Line Items]
Property, Plant & equipment, Cost	13,631	14,882
Accumulated Depreciation	12,412	13,444
Net	1,219	1,438
Technology [Member]
Property, Plant and Equipment [Line Items]
Property, Plant & equipment, Cost	107,854	117,758
Accumulated Depreciation	70,105	64,767
Net	37,749	52,991
Land [Member]
Property, Plant and Equipment [Line Items]
Property, Plant & equipment, Cost	418,605	438,762
Accumulated Depreciation
Net	$ 418,605	$ 438,762