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Condensed Consolidated Balance Sheets [Parenthetical] (USD $)
Jun. 30, 2014
Dec. 31, 2013
Cash and cash equivalents $ 277,562 $ 666,616
Allowance for doubtful accounts 226,000 217,000
Inventory, Net 16,651,235 15,428,413
Prepaid expenses 1,571,114 1,315,384
Other current assets 815,322 945,914
Machinery and equipment 27,184,242 26,639,722
Office Furniture and Equipment 3,466,571 3,287,951
Accumulated depreciation and amortization 30,779,546 29,718,564
Goodwill 1,473,176 1,473,176
Due from related party 24,000 24,000
Checks written in excess of bank balance 821,172 704,757
Trade payables 6,282,510 3,573,007
Line Of Credit, Current 8,795,338 8,769,024
Discount On Notes Payable Current 136,000 125,000
Notes payable - current portion 336,277 342,931
Accrued liabilities 2,504,753 3,003,704
Notes Payable, net of current portion, net discount 360,000 430,000
Notes payable, net of current portion 7,339,940 7,511,383
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, 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
Treasury stock, shares (in shares) 75,627 72,127
Variable Interest Entity, Primary Beneficiary [Member]
    
Cash and cash equivalents 28,000 54,000
Allowance for doubtful accounts 4,000 0
Inventory, Net 542,000 390,000
Prepaid expenses 3,000 3,000
Other current assets 77,000 76,000
Machinery and equipment 729,000 723,000
Office Furniture and Equipment 43,000 39,000
Accumulated depreciation and amortization 120,000 92,000
Goodwill 440,000 440,000
Checks written in excess of bank balance 5,000 0
Trade payables 92,000 94,000
Line Of Credit, Current 497,000 219,000
Notes payable - current portion 111,000 107,000
Accrued liabilities 84,000 73,000
Notes payable, net of current portion $ 380,000 $ 441,000