CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Mar. 31, 2017	Dec. 31, 2016
Current assets
Cash and cash equivalents	$ 503	$ 526
Income tax receivable	9	14
Accounts receivable – trade after allowance for doubtful accounts of $60.0 thousand and $35.0 thousand in 2017 and 2016, respectively	4,178	3,361
Receivables from related parties	45	150
Inventories	3,863	3,437
Prepaid expenses and other current assets	293	216
Total current assets	8,891	7,704
Net property and equipment	12,547	13,068
Other assets
Deferred income taxes	27	27
Other non-current assets	188	57
Total other assets	215	84
Total assets	21,653	20,856
Current liabilities
Current maturities of long-term debt	4,035	2,942
Current maturities of capital lease obligations	254	198
Checks in excess of bank	24	79
Accounts payable	1,823	1,605
Payables and accrued expenses to related parties	433	578
Other current liabilities	567	627
Total current liabilities	7,136	6,029
Long-term liabilities
Long-term debt, related parties	1,504	1,504
Capital lease obligations, net of current maturities	979	1,050
Total long-term liabilities	2,483	2,554
Shareholders’ equity
Common stock, $0.0033 par value: 20.0 million shares authorized in 2017 and 2016; 8,105,231 shares issued in 2017 and 2016; 8,074,541 shares outstanding in 2017 and 2016	27	27
Additional paid-in capital	23,944	23,912
Stock warrants outstanding	1,025	1,025
Retained losses	(12,918)	(12,647)
Treasury stock at cost, 30,690 shares in 2017 and 2016	(44)	(44)
Total shareholders’ equity	12,034	12,273
Total liabilities and shareholders’ equity	$ 21,653	$ 20,856