11. Net Loss Per Common Share Data (Detail) - (Table 2) Table of Excluded Anti-Dilutive Shares	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011
Stock Options [Member]
Anti-dilutive Securities Excluded from EPS	625,000	2,101,774
Warrant [Member]
Anti-dilutive Securities Excluded from EPS	1,981,661	2,219,546
Restricted Stock [Member]
Anti-dilutive Securities Excluded from EPS	122,666	191,166