Condensed Balance Sheets (Unaudited) - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015
Current Assets:
Cash and cash equivalents	$ 5,619	$ 6,281
Accounts receivable, net of allowance for doubtful accounts of $160 in 2016 and 2015	4,167	4,977
Materials and supplies	942	911
Prepaid expenses and other current assets	303	621
Total Current Assets	11,031	12,790
Property and Equipment, net	88,508	88,910
Land Held for Development	12,457	12,457
Total Assets	111,996	114,157
Current Liabilities:
Accounts payable	3,495	4,251
Current portion of long-term debt	20	20
Current portion of deferred grant and other income	447	319
Accrued expenses	1,839	1,653
Total Current Liabilities	5,801	6,243
Long-Term Debt, net of current portion	980	980
Deferred Income Taxes	13,066	13,602
Deferred Grant and Other Income	12,639	12,714
Shareholders’ Equity:
Preferred stock, 10% noncumulative, $50 par value; authorized, issued and outstanding 640 shares in 2016 and 2015	32	32
Common stock, $.50 par value; authorized 15,000,000 shares; issued and outstanding 4,865,737 shares in 2016 and 4,862,693 shares in 2015	2,433	2,432
Additional paid-in capital	38,140	38,050
Retained earnings	38,905	40,104
Total Shareholders’ Equity	79,510	80,618
Total Liabilities and Shareholders’ Equity	$ 111,996	$ 114,157