PROPERTY AND EQUIPMENT (Tables)

12 Months Ended

Dec. 31, 2012

PROPERTY AND EQUIPMENT

Schedule of major classes of property and equipment, stated at cost

	2012			2011
Leasehold Improvements	$	463,080		$	446,164
Machinery and Equipment		6,046,055			5,848,306
Information Technology & Office Equipment		1,911,493			1,921,668
Laboratory Equipment		505,883			508,929
Transportation Equipment		383,711			417,493
		9,310,222			9,142,560
Accumulated Depreciation		(7,451,780	)		(6,852,084	)
Net Property and Equipment	$	1,858,442		$	2,290,476

Schedule of assets under capital lease obligations

	2012		2011
Assets under Capital Lease Obligations	$	34,086	$	84,832
Net Book Value of Assets under Capital Lease Obligations		11,557		29,269

Summary of depreciation expense

	2012		2011		2010
Depreciation expense	$	920,368	$	1,141,545	$	1,341,472