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Condensed Consolidated Balance Sheets (USD $)
Sep. 30, 2011
Dec. 31, 2010
Current assets:  
Cash and cash equivalents$ 1,953,000$ 3,095,000
Restricted cash (Note 4)200,000200,000
Trade accounts receivable, net of allowance for doubtful accounts of $93,000 and $96,000, respectively1,136,000827,000
Inventory, net of reserve for obsolescence of $4,162,000, and $3,700,000, respectively12,697,00012,414,000
Prepaid expenses and other current assets27,00091,000
Total current assets16,013,00016,627,000
Property and equipment, net4,870,0004,977,000
Other assets (Note 5)777,000263,000
Total assets21,660,00021,867,000
Current liabilities:  
Trade accounts payable1,194,000871,000
Accrued liabilities280,000351,000
Current portion of long-term debt (Note 6) 1,500,000
Total current liabilities1,474,0002,722,000
Long-term debt (Note 6)1,500,000 
Total liabilities2,974,0002,722,000
Commitments and contingencies (Notes 6, 8 and 9)00
Shareholders’ equity:  
Preferred stock, $0.001 par value. Authorized 5,000,000 shares; None issued or outstanding00
Additional paid-in capital10,612,00010,605,000
Accumulated other comprehensive income101,00087,000
Retained earnings7,779,0008,244,000
Noncontrolling interest in subsidiary188,000203,000
Total shareholders’ equity18,686,00019,145,000
Total liabilities and shareholders’ equity21,660,00021,867,000
Common Class A [Member]
  
Shareholders’ equity:  
Common Stock, value, issued5,0005,000
Common Class B [Member]
  
Shareholders’ equity:  
Common Stock, value, issued$ 1,000$ 1,000