Consolidated Balance Sheets (Current Period Unaudited) - USD ($)	Sep. 30, 2017	Dec. 31, 2016
ASSETS
Cash and cash equivalents	$ 17,180,657	$ 21,677,186
Accounts receivable, net	4,057,354	607,522
Costs and estimated earnings in excess of billings on contracts in progress	4,457,926	2,596,518
Inventories	3,023,009	3,286,539
Other current assets	438,191	235,537
Total Current Assets	29,157,137	28,403,302
Property, plant and equipment, net	13,963,806	14,344,924
Construction in progress	160,263	94,058
Deferred income taxes – non-current	1,881,211	2,440,334
Other assets	415,828	68,450
Intangible assets, net	225,138	253,624
Total Assets	45,803,383	45,604,692
LIABILITIES AND STOCKHOLDERS’ EQUITY
Accounts payable	750,718	743,132
Accrued expenses	2,607,937	1,942,818
Current maturities of long-term debt	300,000	300,000
Billings in excess of costs and estimated earnings on contracts in progress	215,902	5,262,339
Deferred revenue	498,597	77,633
Total Current Liabilities	4,373,154	8,325,922
Long-term debt, net of current portion	2,740,508	2,965,508
Total Liabilities	7,113,662	11,291,430
Stockholders’ Equity
Common stock - $0.01 par value – 20,000,000 shares authorized; issued and outstanding, 6,390,848 at September 30, 2017 and 6,346,590 at December 31, 2016	63,908	63.466
Additional paid-in-capital	24,830,704
Retained earnings	13,795,109	$ 10,118.322
Total Stockholders’ Equity	38,689,721
Total Liabilities and Stockholders’ Equity	$ 45,803,383