Quarterly Data (Details) (USD $)	3 Months Ended								12 Months Ended
	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Quarterly Data [Abstract]
Revenues	$ 9,754,968	$ 8,854,101	$ 8,047,537	$ 8,354,670	$ 9,068,026	$ 10,821,444	$ 9,733,407	$ 8,408,204	$ 35,011,276	$ 38,031,081	$ 46,562,434
Gross Profit	7,473,368	6,516,169	6,062,775	6,735,584	6,230,882	7,321,820	7,261,519	6,215,559	26,787,896	27,029,780	31,781,379
Net Loss	$ 856,216	$ 22,670	$ (1,941,479)	$ (4,139,848)	$ (3,962,208)	$ (56,868,442)	$ (3,006,792)	$ (4,920,147)	$ (5,202,441)	$ (68,757,589)	$ (9,238,427)
Basic EPS	$ 0.04	$ 0.00	$ (0.10)	$ (0.21)	$ (0.23)	$ (4.49)	$ (0.37)	$ (0.61)	$ (0.26)	$ (5.95)	$ (1.33)
Diluted EPS	$ 0.04	$ 0.00	$ (0.10)	$ (0.21)	$ (0.23)	$ (4.49)	$ (0.37)	$ (0.61)	$ (0.26)	$ (5.95)	$ (1.33)