XML 28 R2.htm IDEA: XBRL DOCUMENT  v2.3.0.11
Condensed Consolidated Balance Sheets (Parenthetical) (USD $)
Jun. 30, 2011
Dec. 31, 2010
Cash and cash equivalents, UDT $ 28,118,331 $ 24,433,761
Property, plant, and equipment, UDT 45,698,558 45,457,275
Accumulated depreciation and amortization, UDT 33,796,848 32,882,135
Accrued taxes and other expenses, UDT 6,464,570 6,679,381
Current installments of long-term debt, UDT 611,150 654,331
Long-term debt, excluding current installments, UDT 5,928,988 6,846,947
Preferred stock, par value (in dollars per share) $ 0.01 $ 0.01
Preferred stock, Authorized shares (in shares) 1,000,000 1,000,000
Preferred stock, shares issued (in shares) 0 0
Preferred stock, shares outstanding (in shares) 0 0
Common stock, par value (in dollars per share) $ 0.01 $ 0.01
Common stock, Authorized shares (in shares) 20,000,000 20,000,000
Common stock, issued shares (in shares) 6,472,406 6,338,829
Common stock, outstanding shares (in shares) 6,472,406 6,338,829
UDT
    
Cash and cash equivalents, UDT 236,219 277,698
Property, plant, and equipment, UDT 2,099,960 2,756,792
Accumulated depreciation and amortization, UDT 1,408,408 1,640,818
Accrued taxes and other expenses, UDT 24,150 12,900
Current installments of long-term debt, UDT 0 39,246
Long-term debt, excluding current installments, UDT $ 0 $ 627,629