CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011
OPERATING ACTIVITIES
Net income (loss)	$ (4,602,000)	$ 5,078,000
Adjustments to reconcile net income (loss) to net cash used in operating activities
Depreciation and amortization	3,219,000	4,028,000
Share based compensation	489,000	646,000
Gain on property disposals	(232,000)	(15,600,000)
Change in retirement liabilities	(2,001,000)	(1,342,000)
Impairment charges		1,115,000
Changes in operating assets and liabilities:
Accounts receivable	326,000	131,000
Inventories		1,558,000
Trade accounts payable	257,000	(3,392,000)
Income taxes payable	(309,000)	(632,000)
Other operating assets and liabilities	(920,000)	(1,815,000)
NET CASH USED IN OPERATING ACTIVITIES	(3,773,000)	(10,225,000)
INVESTING ACTIVITIES
Purchases of property	(209,000)	(1,025,000)
Proceeds from disposals of property	425,000	11,450,000
Proceeds from escrow		4,117,000
Payments for other assets	(114,000)	(5,368,000)
NET CASH PROVIDED BY INVESTING ACTIVITIES	102,000	9,174,000
FINANCING ACTIVITIES
Proceeds from long-term debt	5,200,000	10,700,000
Payments of long-term debt	(1,453,000)	(10,379,000)
Payments on capital lease obligations		(174,000)
Debt and common stock issuance cost and other	(137,000)	(301,000)
NET CASH PROVIDED BY (USED IN) FINANCING ACTIVITIES	3,610,000	(154,000)
NET DECREASE IN CASH AND CASH EQUIVALENTS	(61,000)	(1,205,000)
CASH AND CASH EQUIVALENTS AT BEGINNING OF YEAR	890,000	2,095,000
CASH AND CASH EQUIVALENTS AT END OF YEAR	829,000	890,000
Cash paid (received) during the year:
Interest	2,163,000	1,998,000
Income taxes		(55,000)
SUPPLEMENTAL NON-CASH INVESTING AND FINANCING ACTIVITIES:
Amounts included in trade accounts payable for additions to property and other investments	4,000	137,000
Funds related to the sale of property, held in escrow pending the completion of post-closing obligations	$ 150,000	$ 294,000