Consolidated Statements of Cash Flows (USD $)	12 Months Ended
	Dec. 31, 2013		Dec. 31, 2012
Cash flows from operating activities:
Net (loss)/income	$ (560,323)		$ 435,586
Stock-based compensation	461,195		234,858
(Gain)/loss on sale of buildings	(887,477)		693,818
(Gain)/loss on sale of other fixed assets	16,575		(3,288)
Depreciation and amortization	646,422	[1]	515,215	[1]
Deferred income tax expense	(1,396,407)		(178,307)
Provision for doubtful accounts	75,071		6,537
Accounts receivable	1,556,610		(858,082)
Cost in excess of billings on uncompleted contracts	1,152,135		680,720
Inventories, net	(1,754,444)		464,168
Other current assets	(53,801)		(41,635)
Billings in excess of costs and estimated earnings on uncompleted contracts	(223,015)		(1,211,305)
Accounts payable	(419,986)		106,004
Accrued expenses	450,982		(271,888)
Deferred revenue	(130,877)		(754,562)
Total adjustments	(507,017)		(617,747)
Net cash used in operating activities	(1,067,340)		(182,161)
Cash flows from investing activities:
Restricted cash			200,000
Capital expenditures	(2,071,557)		(11,796,740)
Deposits	6,833		322,281
Net cash provided by/(used in) investing activities	1,555,175		(9,670,636)
Cash flows from financing activities
Net proceeds from stock options exercised	75,735		286,547
Proceeds from long-term debt			6,000,000
Payments of long-term debt	(3,037,334)		(848,953)
Net cash (used in)/provided by financing activities	(2,961,599)		5,437,594
Net decrease in cash and cash equivalents	(2,473,764)		(4,415,203)
Cash and cash equivalents at beginning of year	13,721,324		18,136,527
Cash and cash equivalents at end of year	11,247,560		13,721,324
Income taxes paid	25		451,525
Interest paid	163,738		204,874
Building [Member]
Cash flows from investing activities:
Proceeds from sale of property, plant and equipment	3,619,899		1,582,323
Other Fixed Assets [Member]
Cash flows from investing activities:
Proceeds from sale of property, plant and equipment			$ 21,500

[1] Includes amortization expense of $20,434 and $14,096 for the years ending December 31, 2013 and 2012, respectively. Such amortization expense relates toother capitalized and intangible assets.