Long-Term Debt (Details) (USD $) In Thousands, unless otherwise specified			1 Months Ended				1 Months Ended			6 Months Ended			6 Months Ended			6 Months Ended
	Dec. 31, 2012	Jun. 30, 2012	Feb. 28, 2006 Pennsylvania Industrial Development Authority loan	Dec. 31, 2012 Pennsylvania Industrial Development Authority loan	Jun. 30, 2012 Pennsylvania Industrial Development Authority loan	Feb. 01, 2006 Pennsylvania Industrial Development Authority loan	Apr. 30, 1999 Tax-exempt bond loan (PAID)	Dec. 31, 2012 Tax-exempt bond loan (PAID)	Jun. 30, 2012 Tax-exempt bond loan (PAID)	Jun. 30, 2011 Wells Fargo N.A. Townsend Road mortgage	Dec. 31, 2012 Wells Fargo N.A. Townsend Road mortgage	Jun. 30, 2012 Wells Fargo N.A. Townsend Road mortgage	Jun. 30, 2011 PIDA Townsend Road mortgage	Dec. 31, 2012 PIDA Townsend Road mortgage	Jun. 30, 2012 PIDA Townsend Road mortgage	Dec. 31, 2012 Cody LCI Realty LLC ("Realty") First National Bank of Cody mortgage	Jun. 30, 2012 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	$ 6,909	$ 7,161		$ 737	$ 777			$ 290	$ 290		$ 2,716	$ 2,818		$ 1,847	$ 1,899	$ 1,319	$ 1,377
Less current portion	654	648		83	81			140	140		204	204		107	105	120	118
Long term debt	6,255	6,513
Current Portion of Long Term Debt
Current Portion of Long Term Debt	654	648		83	81			140	140		204	204		107	105	120	118
Debt Additional Information
Amount financed						1,250	3,700			3,056			2,000
Effective interest rate (as a percent)								0.35%	0.38%		3.16%	3.20%				4.50%	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	654
2014	676
2015	538
2016	551
2017	564
Thereafter	3,926
Total debt	$ 6,909	$ 7,161		$ 737	$ 777			$ 290	$ 290		$ 2,716	$ 2,818		$ 1,847	$ 1,899	$ 1,319	$ 1,377