STATEMENTS OF SHAREHOLDERS' EQUITY (Unaudited) (USD $)	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Loss [Member]	Total
Balance at Dec. 31, 2012	$ 8,371	$ 49,780,673	$ 30,845,982	$ (40,827)	$ 80,594,199
Balance (in shares) at Dec. 31, 2012	8,371,439
Increase (Decrease) in Shareholders' Equity [Roll Forward]
Net Income (loss)	0	0	3,455,551	0	3,455,551
Change in unrealized loss from interest rate swap	0	0	0	17,390	17,390
Common stock issued upon exercise of stock options	3	(3)	0	0	0
Common stock issued upon exercise of options (in shares)	2,645
Tax provision (benefit) of stock option exercise	0	(26,000)	0	0	(26,000)
Common stock issued as bonus	18	152,056	0	0	152,074
Common stock issued as bonus (in shares)	17,870
Stock compensation expense	0	360,964	0	0	360,964
Balance at Jun. 30, 2013	8,392	50,267,690	34,301,533	(23,437)	84,554,178
Balance (in shares) at Jun. 30, 2013	8,391,954
Balance at Dec. 31, 2013	8,410	50,381,348	38,582,876	(21,115)	88,951,519
Balance (in shares) at Dec. 31, 2013	8,410,493
Increase (Decrease) in Shareholders' Equity [Roll Forward]
Net Income (loss)	0	0	(27,963,082)	0	(27,963,082)
Change in unrealized loss from interest rate swap	0	0	0	4,632	4,632
Common stock issued upon exercise of stock options	73	447,678	0	0	447,751
Common stock issued upon exercise of options (in shares)	72,619
Tax provision (benefit) of stock option exercise	0	86,000	0	0	86,000
Common stock issued as bonus					0
Stock compensation expense	0	205,618	0	0	205,618
Balance at Jun. 30, 2014	$ 8,483	$ 51,120,644	$ 10,619,794	$ (16,483)	$ 61,732,438
Balance (in shares) at Jun. 30, 2014	8,483,112