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Consolidated Balance Sheets - USD ($)
$ in Thousands
Dec. 31, 2017
Dec. 31, 2016
Current assets:    
Cash and cash equivalents $ 2,289 $ 1,618
Restricted short-term investments 50 507
Accounts receivable-trade, net of allowance of $135 and $204 at December 31, 2017 and December 31, 2016 6,061 6,717
Inventories, net of allowance of $78 and $60 at both December 31, 2017 and December 31, 2016 1,327 1,181
Cost and estimated earnings in excess of billings on uncompleted contracts 6,434 5,829
Prepaid expenses and other current assets 534 349
Total current assets 16,695 16,201
Property, plant and equipment, net 6,920 7,298
Advances to and investments in foreign joint ventures 10,947 10,663
Retainage receivable 785 649
Intangibles 458 527
Other assets 116 46
Total assets 35,921 35,384
Current liabilities:    
Revolving line of credit   1,500
Current portion of long-term note payable 270 300
Short-term note payable 354  
Accounts payable and other accrued expenses 12,335 9,798
Accrued payroll and benefits 912 1,093
Billings in excess of costs and estimated earnings on uncompleted contracts 1,792 208
Total current liabilities 15,663 12,899
Long-term note payable, net 5,524 3,900
Deferred compensation 213 260
Deferred income taxes   2,824
Total liabilities 21,400 19,883
Convertible preferred stock:    
Redeemable convertible preferred stock, Series A, net of discount of $562 at December 31, 2017 and $617 at December 31, 2016; $0.001 par value, 1,000,000 shares authorized, issued and outstanding at December 31, 2017 and December 31, 2016 4,438 4,383
Stockholders’ equity:    
Common stock; $0.001 par value, 50,000,000 shares authorized, 8,850,532 and 8,499,508 shares issued and 8,669,650 and 8,335,968 shares outstanding at December 31, 2017 and December 31, 2016 9 8
Treasury stock, at cost 180,882 shares at December 31, 2017 and 163,540 shares at December 31, 2016 (916) (863)
Additional paid-in capital 13,811 12,613
Accumulated other comprehensive income 401 (2)
Retained (deficit) earnings; including accumulated statutory reserves in equity method investments of $2,809 and $2,887 at December 31, 2017 and December 31, 2016 (3,222) (638)
Total stockholders’ equity 10,083 11,118
Total liabilities, convertible preferred stock and stockholders’ equity $ 35,921 $ 35,384