Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Sep. 30, 2018	Dec. 31, 2017
Current assets:
Cash and cash equivalents	$ 47	$ 48
Restricted cash	1,073	482
Accounts receivable, net	3,128	3,840
Costs and estimated profit in excess of billings	0	565
Inventories	1,730	1,285
Fair value of contingent earn-out receivable, current	117	373
Other current assets	277	216
Total current assets	6,372	6,809
Property, plant and equipment, net	4,235	4,456
Fair value of contingent earn-out receivable, noncurrent	0	61
Intangible assets, net	1,352	1,589
Total assets	11,959	12,915
Current liabilities:
Notes payable	6,023	5,969
Current portion of long-term debt	232	1,068
Trade accounts payable	6,414	4,856
Customer deposits	294	0
Billings in excess of costs and estimated profit	0	983
Accrued compensation	475	416
Other accrued liabilities	2,240	2,370
Total current liabilities	15,678	15,662
Long-term debt	4,565	3,061
Deferred income taxes	28	28
Total long-term liabilities	4,593	3,089
Total liabilities	20,271	18,751
Commitments and contingencies
Shareholders' deficit:
Preferred stock, $.001 par value; 2,000,000 shares authorized; 597,139 shares issued and outstanding at September 30, 2018 and 546,466 shares issued and outstanding at December 31, 2017	1	0
Common stock, $.001 par value; 7,500,000 shares authorized as of September 30, 2018 and December 31, 2017, respectively; 2,396,219 shares issued and outstanding at September 30, 2018 and December 31, 2017, respectively	2	2
Additional paid-in capital	83,075	83,014
Accumulated deficit	(91,390)	(88,852)
Total shareholders' deficit	(8,312)	(5,836)
Total liabilities and shareholders' deficit	$ 11,959	$ 12,915