Consolidated Balance Sheets [Parenthetical] (USD $)	Dec. 31, 2014	Dec. 31, 2013
Cash and cash equivalents	$ 150,332	$ 666,616
Allowance for doubtful accounts	230,000	217,000
Inventory, Net	17,755,300	15,428,413
Prepaid expenses	1,983,915	1,315,384
Other current assets	578,888	945,914
Machinery and equipment	26,739,353	26,639,722
Office Furniture and Equipment	3,473,009	3,287,951
Goodwill	1,473,176	1,473,176
Notes payable - current portion	328,942	342,931
Due from related party	47,000	24,000
Treasury stock, shares (in shares)	75,627	72,127
Trade payables	4,468,859	3,573,007
Discount On Notes Payable Current	146,000	125,000
Line Of Credit, Current	12,158,300	8,769,024
Accrued liabilities	2,493,435	3,003,704
Notes Payable, net of current portion, net discount	284,000	430,000
Notes payable, net of current portion	7,177,406	7,511,383
Preferred Stock, Par or Stated Value Per Share (in dollars per share)	$ 0	$ 0
Preferred Stock, shares authorized (in shares)	2,000,000	2,000,000
Preferred Stock, shares issued (in shares)	0	0
Preferred Stock, shares outstanding (in shares)	0	0
Common Stock, Par or Stated Value Per Share (in dollars per share)	$ 0	$ 0
Common stock, shares authorized (in shares)	5,000,000	5,000,000
Common stock, shares issued (in shares)	3,376,743	3,320,773
Common stock, shares outstanding (in shares)	3,301,116	3,248,646
Accumulated depreciation and amortization	31,062,484	29,718,564
Variable Interest Entity, Primary Beneficiary [Member]
Cash and cash equivalents	14,000	54,000
Allowance for doubtful accounts	9,000	0
Inventory, Net	699,000	390,000
Prepaid expenses	22,000	3,000
Other current assets	46,000	76,000
Machinery and equipment	640,000	723,000
Office Furniture and Equipment	46,000	39,000
Goodwill	440,000	440,000
Notes payable - current portion	114,000	107,000
Trade payables	74,000	94,000
Line Of Credit, Current	494,000	219,000
Accrued liabilities	60,000	73,000
Notes payable, net of current portion	322,000	441,000
Accumulated depreciation and amortization	$ 129,000	$ 92,000