CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY AND COMPREHENSIVE INCOME(LOSS) (USD $)	Common Stock [Member]	Series B Preferred Stock [Member]	Additional Paid-in Capital [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Treasury Stock [Member]	Retained Earnings [Member]	Total
Balance at Dec. 31, 2010	$ 377,754	$ 55	$ 270,644,658	$ 331,311	$ (10,478,838)	$ (162,881,599)	$ 97,993,341
Balance (in Shares) at Dec. 31, 2010	37,775,381	5,500			(6,107,781)
Unrealized gain on marketable securities	0	0	0	(725,911)	0	0	(725,911)
Exercise and issuance of equity grants	6,862	0	(6,862)	0	(531,311)	0	(531,311)
Exercise and issuance of equity grants (in Shares)	686,214	0			(222,626)
Stock-based consideration for services	0	0	3,425,038	0	0	0	3,425,038
Common stock cash dividends	0	0	(3,446,892)	0	0	0	(3,446,892)
Preferred stock cash dividends	0	0	(385,696)	0	0	0	(385,696)
Net loss	0	0	0	0	0	(8,184,121)	(8,184,121)
Balance at Dec. 31, 2011	384,616	55	270,230,246	(394,600)	(11,010,149)	(171,065,720)	88,144,448
Balance (in Shares) at Dec. 31, 2011	38,461,595	5,500			(6,330,407)
Unrealized gain on marketable securities	0	0	0	265,606	0	0	265,606
Exercise and issuance of equity grants	13,189	0	(13,189)	0	(964,112)	0	(964,112)
Exercise and issuance of equity grants (in Shares)	1,318,873	0			(497,309)
Issuance of Common Stock	750	0	134,250	0	0	0	135,000
Issuance of Common Stock (in Shares)	75,000	0			0
Stock-based consideration for services	0	0	2,420,928	0	0	0	2,420,928
Common stock cash dividends	0	0	(1,636,236)	0	0	0	(1,636,236)
Preferred stock cash dividends	0	0	(192,848)	0	0	0	(192,848)
Net loss	0	0	0	0	0	(12,714,951)	(12,714,951)
Balance at Dec. 31, 2012	398,555	55	270,943,151	(128,994)	(11,974,261)	(183,780,671)	75,457,835
Balance (in Shares) at Dec. 31, 2012	39,855,468	5,500			(6,827,716)
Unrealized gain on marketable securities	0	0	0	(49,189)	0	0	(49,189)
Exercise and issuance of equity grants	7,939	0	66,427	0	(390,199)	0	(315,833)
Exercise and issuance of equity grants (in Shares)	793,949	0			(186,191)
Issuance of Common Stock for acquisition	4,088	0	776,775	0	0	0	780,863
Issuance of Common Stock for acquisition (in Shares)	408,829	0			0
Stock-based consideration for services	0	0	2,075,183	0	0	0	2,075,183
Preferred stock cash dividends							0
Net loss	0	0	0	0	0	(3,785,701)	(3,785,701)
Balance at Dec. 31, 2013	$ 410,582	$ 55	$ 273,861,536	$ (178,183)	$ (12,364,460)	$ (187,566,372)	$ 74,163,158
Balance (in Shares) at Dec. 31, 2013	41,058,246	5,500			(7,013,907)