Long-Term Debt (Details) (USD $) In Thousands, unless otherwise specified			1 Months Ended				1 Months Ended			6 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Feb. 28, 2006 Pennsylvania Industrial Development Authority loan	Jun. 30, 2012 Pennsylvania Industrial Development Authority loan	Jun. 30, 2011 Pennsylvania Industrial Development Authority loan	Feb. 01, 2006 Pennsylvania Industrial Development Authority loan	Apr. 30, 1999 Tax-exempt bond loan (PAID)	Jun. 30, 2012 Tax-exempt bond loan (PAID)	Jun. 30, 2011 Tax-exempt bond loan (PAID)	Jun. 30, 2011 Wells Fargo N.A. Townsend Road mortgage	Jun. 30, 2012 Wells Fargo N.A. Townsend Road mortgage	Jun. 30, 2011 PIDA Townsend Road mortgage	Jun. 30, 2012 PIDA Townsend Road mortgage	Jun. 30, 2012 Cody LCI Realty LLC ("Realty") First National Bank of Cody mortgage	Jun. 30, 2011 Cody LCI Realty LLC ("Realty") First National Bank of Cody mortgage	Feb. 02, 2011 Cody LCI Realty LLC ("Realty") First National Bank of Cody mortgage	Jan. 31, 2011 Cody LCI Realty LLC ("Realty") First National Bank of Cody mortgage
Long-Term Debt
Total debt	$ 7,161	$ 7,822		$ 777	$ 857			$ 290	$ 425	$ 3,022	$ 2,818	$ 2,000	$ 1,899	$ 1,377	$ 1,518
Less current portion	648	629		81	79			140	135	204	204	101	105	118	110
Long term debt	6,513	7,193
Current Portion of Long Term Debt
Current Portion of Long Term Debt	648	629		81	79			140	135	204	204	101	105	118	110
Debt Additional Information
Amount financed						1,250	3,700			3,056		2,000
Effective interest rate (as a percent)								0.38%	0.40%	3.14%	3.20%			4.50%
Interest rate per annum (as a percent)						2.75%						3.75%
Debt repayment period			180 months
Bond issuance costs							170
Basis of interest rate										One Month LIBOR
Spread rate (as a percent)										2.95%
Amortization period										15 years
Maturity period										8 years		15 years
Monthly principal and interest payments														15
Fixed rate (as a percent)																	7.50%
Floating interest rate floor (as a percent)																4.50%
Floating interest rate ceiling (as a percent)																9.00%
Long-term debt maturities
2013	648
2014	670
2015	532
2016	545
2017	558
Thereafter	4,208
Total debt	$ 7,161	$ 7,822		$ 777	$ 857			$ 290	$ 425	$ 3,022	$ 2,818	$ 2,000	$ 1,899	$ 1,377	$ 1,518