Consolidated Balance Sheets - USD ($)	Dec. 28, 2019	Dec. 29, 2018
Current assets:
Cash and cash equivalents	$ 178,000	$ 594,000
Receivables less allowance of $494 and $410 for fiscal 2019 and 2018, respectively	21,555,000	15,321,000
Receivable for insured losses	911,000	874,000
Inventories	13,953,000	14,806,000
Prepaid expenses	2,171,000	1,785,000
Refundable income taxes	2,397,000	494,000
Other current assets	4,229,000	2,500,000
Other current assets held for sale	896,000	10,968,000
Total current assets	46,290,000	47,342,000
Property, plant and equipment	12,025,000	10,431,000
Land and improvements	4,072,000	1,409,000
Buildings and improvements	14,939,000	13,451,000
Machinery and equipment	48,269,000	48,569,000
Mining properties	3,770,000	5,015,000
Less accumulated depreciation and depletion	(59,025,000)	(58,013,000)
Property, plant and equipment	12,025,000	10,431,000
Other assets
Right-of use assets	4,978,000
Goodwill	5,932,000	1,000,000
Intangible assets	12,437,000
Deferred income taxes	7,667,000	3,414,000
Other long-term assets	654,000	448,000
Other long-term assets held for sale		13,068,000
Total assets	89,983,000	75,703,000
Current liabilities:
Revolving bank loan payable	800,000	2,200,000
Accounts payable	8,490,000	3,234,000
Accrued expenses
Compensation	2,181,000	2,638,000
Reserve for self-insured losses	1,967,000	2,451,000
Liability for unpaid claims covered by insurance	911,000	874,000
Profit sharing	710,000	1,065,000
Short-term asset retirement obligation	4,200,000	1,017,000
Other	3,377,000	2,911,000
Short-term lease liabilities	1,170,000
Other current liabilities held for sale		3,800,000
Total current liabilities	23,806,000	20,190,000
Long-term lease liabilities	3,991,000
Long-term compensation liabilities	1,842,000	959,000
Asset retirement obligation	23,713,000	5,252,000
Other long-term liabilities	1,442,000	234,000
Other long-term liabilities held for sale		292,000
SHAREHOLDERS' EQUITY
Common shares, $.25 par value; authorized 3,000,000 shares; issued 2,574,264 shares	643,000	643,000
Capital in excess of par value	1,853,000	1,930,000
Retained earnings	47,232,000	61,131,000
Treasury shares, 860,910 and 876,409 at cost	(14,539,000)	(14,928,000)
Total shareholders' equity	35,189,000	48,776,000
Total liabilities and shareholders' equity	$ 89,983,000	$ 75,703,000