Consolidated Balance Sheets (Current Period Unaudited) - USD ($)	Sep. 30, 2016	Dec. 31, 2015
ASSETS
Cash and cash equivalents	$ 16,636,744	$ 13,073,331
Accounts receivable, net	7,160,443	3,091,251
Costs and estimated earnings in excess of billings on contracts in progress	3,159,828	4,635,018
Inventories	3,050,758	2,986,430
Restricted cash - current		200,000
Deferred income taxes – current	825,215	398,009
Other current assets	258,020	167,056
Total Current Assets	31,091,008	24,551,095
Property, plant and equipment, net	14,217,902	14,793,923
Construction in progress	56,946	33,306
Deferred income taxes – non-current	2,016,239	1,606,830
Restricted cash – non-current		200,000
Other assets	75,469	86,215
Intangible assets, net	46,349	60,335
Total Assets	47,503,913	41,131,704
LIABILITIES AND STOCKHOLDERS’ EQUITY
Accounts payable	298,834	308,004
Accrued expenses	1,271,934	3,445,880
Current maturities of long-term debt	300,000	580,000
Billings in excess of costs and estimated earnings on contracts in progress	9,130,870
Deferred revenue	149,652	307,683
Total Current Liabilities	11,151,290	4,641,567
Long-term debt, net of current portion	3,040,508	3,265,508
Total Liabilities	14,191,798	7,907,075
Commitments and Contingencies
Stockholders’ Equity
Common stock - $0.01 par value – 10,000,000 shares authorized; issued and outstanding, 6,324,180 at September 30, 2016 and 6,198,135 at December 31, 2015	63,242	61,981
Additional paid-in-capital	23,900,179	22,895,202
Retained earnings	9,348,694	10,267,446
Total Stockholders’ Equity	33,312,115	33,224,629
Total Liabilities and Stockholders’ Equity	$ 47,503,913	$ 41,131,704