CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
Current assets
Cash and cash equivalents	$ 841	$ 526
Income tax receivable	0	14
Accounts receivable – trade after allowance for doubtful accounts of $60.0 thousand and $35.0 thousand in 2017 and 2016, respectively	4,220	3,361
Receivables and other assets from related parties (Note 9)	92	150
Inventories (Note 1)	5,106	3,437
Prepaid expenses and other current assets	182	216
Total current assets	10,441	7,704
Net property and equipment (Note 1)	11,212	13,068
Other assets
Deferred income taxes (Note 6)	27	27
Other non-current assets	187	57
Total other assets	214	84
Total assets	21,867	20,856
Current liabilities
Current maturities of long-term debt (Note 3)	5,018	2,942
Current maturities of long-term debt, related parties  (Note 3 and 9)	64	0
Current maturities of capital lease obligations (Note 4)	300	198
Bank overdrafts	148	79
Accounts payable	1,784	1,605
Payable and accrued expenses to related parties (Note 10)	173	578
Income tax payable	2	0
Other current liabilities	765	627
Total current liabilities	8,254	6,029
Long-term liabilities
Long-term debt, related parties (Note 3 and 10)	1,536	1,504
Capital lease obligations, net of current maturities (Note 4)	819	1,050
Total long-term liabilities	2,355	2,554
Shareholders’ equity
Common stock, $0.0033 par value: 20.0 million shares authorized in 2017 and 2016; 8,089,129 and 8,074,541 shares issued and outstanding in 2017 and 2016, respectively	27	27
Additional paid-in capital	24,028	23,912
Stock warrants outstanding	1,025	1,025
Retained losses	(13,778)	(12,647)
Treasury stock at cost, 30,690 shares in 2017 and 2016	(44)	(44)
Total shareholders’ equity	11,258	12,273
Total liabilities and shareholders’ equity	$ 21,867	$ 20,856