CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Current assets:
Cash (including a compensating balance of $3,900 at December 31, 2015 (Note 5)	$ 8,203	$ 4,274
Short term investment (certificate of deposit)	1,005	0
Accounts receivable, net of allowance of $10 and $150, respectively	5,945	7,849
Inventory	0	3,117
Costs and estimated earnings in excess of billings on uncompleted contracts	1,077	1,354
Prepaid expenses and other current assets	864	229
Total current assets	17,094	16,823
Property, plant and equipment, net	7,938	10,762
Intangibles, net	69	75
Long-term asset - Carousel	3,117	0
Other assets	211	878
Total assets	28,429	28,538
Current liabilities:
Accounts payable and accrued liabilities	1,778	2,162
Billings in excess of costs and estimated earnings on uncompleted contracts	3,349	46
Current portion of long-term debt	0	2,747
Total current liabilities	5,127	4,955
Long-term debt, net	0	0
Total liabilities	5,127	4,955
Commitments and contingencies (Note 1\01)
Stockholders' equity:
Preferred stock, $0.001 par value, 10,000 shares authorized, 0 shares issued and outstanding	0	0
Common stock, $0.001 par value, 24,500,000 shares authorized, 15,408,660 and 15,631,714 shares issued, respectively	15	16
Treasury stock, 587,847 and 0 shares at cost, respectively	(567)	0
Additional paid-in capital	73,112	72,989
Accumulated deficit	(49,258)	(49,422)
Total stockholders' equity	23,302	23,583
Total liabilities and stockholders' equity	$ 28,429	$ 28,538