Note 15 - Segment Reporting (Details) - Segment Information (USD $)	12 Months Ended
	Dec. 31, 2013		Dec. 31, 2012
Segment Reporting Information [Line Items]
Assets	$ 39,141,639		$ 42,525,261
Revenue	17,883,927		22,157,737
Interest Expense	163,738		204,874
Depreciation and amortization	646,422	[1]	515,215	[1]
Capital expenditures	2,071,557		11,796,740
Pretax (loss)/earnings	(1,956,730)		400,092
CVD [Member] | Operating Segments [Member]
Segment Reporting Information [Line Items]
Assets	39,783,689		43,872,295
Revenue	13,136,083		19,149,704
Interest Expense	162,914		195,861
Depreciation and amortization	571,046		442,227
Capital expenditures	1,954,621		11,767,024
Pretax (loss)/earnings	(2,697,114)		(18,722)
SDC [Member] | Operating Segments [Member]
Segment Reporting Information [Line Items]
Assets	6,334,352		4,628,432
Revenue	5,155,641		4,394,945
Interest Expense	824		9,013
Depreciation and amortization	75,376		72,988
Capital expenditures	116,936		29,716
Pretax (loss)/earnings	740,384		418,814
Intersegment Eliminations [Member]
Segment Reporting Information [Line Items]
Assets	(6,976,402)		(5,975,466)
Revenue	$ (407,797)		$ (1,386,912)

[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.