CONSOLIDATED BALANCE SHEETS (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Current assets
Cash and cash equivalents	$ 1,926	$ 2,267
Income tax receivable	1,437	3,967
Accounts receivable – trade (after allowance for doubtful accounts of $100.0 thousand in 2012 and 2011) (Note 1)	13,344	17,191
Net investment in sales-type leases (Note 5)	0	40
Inventories (Note 1)	16,529	18,544
Deferred income taxes (Note 4)	276	411
Prepaid expenses	330	328
Employee loans	5	6
Total current assets	33,847	42,754
Net property and equipment (Note 1)	24,210	26,199
Other assets
Notes receivable – related party (Note 6)	0	45
Goodwill (Notes 1 and 14)	0	6,840
Intangible assets, net (Notes 1 and 14)	4,275	5,025
Deferred income taxes (Note 4)	870	0
Deposits	121	107
Total other assets	5,266	12,017
Total assets	63,323	80,970
Current liabilities
Current maturities of long-term debt (Note 3)	1,687	1,821
Accounts payable	6,408	10,681
Interest rate swap agreement liability (Note 1)	250	484
Other current liabilities	374	331
Total current liabilities	8,719	13,317
Long-term liabilities
Long-term debt (Note 3)	23,369	26,688
Deferred income taxes (Note 4)	0	3,406
Total long-term liabilities	23,369	30,094
Shareholders’ equity
Common stock, $0.0033 par value: 10,000,000 shares authorized; 7,192,479 shares issued in 2012 and 2011, respectively; 6,944,267 and 6,940,517 shares outstanding in 2012 and 2011, respectively	24	24
Additional paid-in capital	18,281	18,131
Retained earnings	13,437	20,057
Accumulated other comprehensive loss	(150)	(290)
Treasury stock at cost, 248,212 and 251,962 shares in 2012 and 2011, respectively	(357)	(363)
Total shareholders’ equity	31,235	37,559
Total liabilities and shareholders’ equity	$ 63,323	$ 80,970