Income (Loss) per Common Share (Tables)

6 Months Ended

Jun. 30, 2012

Income (Loss) per Common Share [Abstract]

Reconciliation of weighted-average shares used for the basic computation and that used for the diluted computation

	Three Months Ended June 30,				Six Months Ended June 30,
	2012		2011		2012		2011
Weighted-average shares for basic		4,833,640		4,818,415		4,833,640		4,818,415
Dilutive effect of convertible preferred stock and stock options		71,821		73,028		70,731		—
Weighted-average shares for diluted		4,905,461		4,891,443		4,904,371		4,818,415