Condensed Balance Sheets (Unaudited) - USD ($) $ in Thousands	Jun. 30, 2016	Dec. 31, 2015
Current Assets:
Cash and cash equivalents	$ 8,607	$ 6,281
Accounts receivable, net of allowance for doubtful accounts of $160 in 2016 and 2015	5,466	4,977
Materials and supplies	1,208	911
Prepaid expenses and other current assets	146	621
Total Current Assets	15,427	12,790
Property and Equipment, net	91,328	88,910
Land Held for Development	12,457	12,457
Total Assets	119,212	114,157
Current Liabilities:
Accounts payable	5,909	4,251
Current portion of long-term debt	162	20
Current portion of deferred grant and other income	433	319
Accrued expenses	1,939	1,653
Total Current Liabilities	8,443	6,243
Long-Term Debt, net of current portion	4,828	980
Deferred Income Taxes	13,126	13,602
Deferred Grant and Other Income	13,283	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 4,866,593 shares in 2016 and 4,862,693 shares in 2015	2,433	2,432
Additional paid-in capital	38,172	38,050
Retained earnings	38,895	40,104
Total Shareholders’ Equity	79,532	80,618
Total Liabilities and Shareholders’ Equity	$ 119,212	$ 114,157