Consolidated Balance Sheets (USD $)	Dec. 31, 2013	Dec. 31, 2012
Current Assets
Cash and cash equivalents	$ 11,247,560	$ 13,721,324
Accounts receivable, net	2,883,443	4,515,124
Costs and estimated earnings in excess of billings on uncompleted contracts	1,577,969	2,730,104
Inventories, net	4,497,349	2,742,905
Deferred income taxes	1,443,321	189,153
Other current assets	246,240	192,438
Total Current Assets	21,895,882	24,091,048
Property, plant and equipment, net	15,492,111	12,894,154
Construction in progress	128,171	4,051,573
Deferred income taxes	710,983	568,744
Restricted Cash	800,000	800,000
Other assets	70,376	78,128
Intangible assets, net	44,116	41,614
Total Assets	39,141,639	42,525,261
Current Liabilities
Current maturities of long-term debt	720,000	935,822
Billings in excess of costs and estimated earnings on uncompleted contracts	252,890	475,905
Accounts payable	468,072	888,058
Accrued expenses	1,806,370	1,355,389
Deferred revenue	204,527	335,404
Total Current Liabilities	3,451,859	3,990,578
Long-term debt, net of current portion	4,565,508	7,387,019
Total Liabilities	8,017,367	11,377,597
Commitments and Contingencies (Note 16)
Common stock - $0.01 par value – 10,000,000 shares authorized: issued and outstanding, 6,091,707 shares at December 31, 2013 and 6,046,970 shares at December 31, 2012	60,917	60,470
Additional paid-in capital	21,527,375	20,990,891
Retained earnings	9,535,980	10,096,303
Total Stockholders’ Equity	31,124,272	31,147,664
Total Liabilities and Stockholders’ Equity	$ 39,141,639	$ 42,525,261