Stockholders Equity - Additional Information (Detail) (USD $)	0 Months Ended		1 Months Ended		12 Months Ended						0 Months Ended	12 Months Ended							0 Months Ended	1 Months Ended	12 Months Ended						0 Months Ended			12 Months Ended	1 Months Ended		12 Months Ended
	Jun. 06, 2012	Aug. 26, 2011	Aug. 26, 2011	Apr. 29, 2011	Dec. 31, 2013	Dec. 31, 2010	Dec. 31, 2012	Aug. 26, 2012	Dec. 31, 2011	Sep. 01, 2011	Aug. 15, 2013 Stock Appreciation Rights (SARs) [Member]	Dec. 31, 2013 Stock Appreciation Rights (SARs) [Member]	Dec. 31, 2011 Series A Preferred Stock [Member]	Dec. 31, 2013 Series A Preferred Stock [Member]	Dec. 31, 2012 Series A Preferred Stock [Member]	Dec. 31, 2013 Roth Warrant [Member]	Sep. 01, 2011 Roth Warrant [Member]	Aug. 26, 2011 Roth Warrant [Member]	Oct. 31, 2011 Stock Purchase Agreement [Member]	Apr. 29, 2011 Private Placement [Member]	Dec. 31, 2013 Private Placement [Member]	Dec. 31, 2012 Private Placement [Member]	Dec. 31, 2013 Private Placement Warrants [Member]	Dec. 31, 2012 Private Placement Warrants [Member]	Dec. 31, 2011 Private Placement Warrants [Member]	Apr. 29, 2011 Private Placement Warrants [Member]	Jul. 16, 2013 Underwritten Public Offering [Member]	Dec. 31, 2010 Before Reverse Stock Split [Member]	Apr. 29, 2011 Before Reverse Stock Split [Member] Format Inc [Member]	Dec. 31, 2010 After Reverse Stock Split [Member]	Apr. 29, 2011 After Reverse Stock Split [Member] Format Inc [Member]	Apr. 29, 2011 After Reverse Stock Split [Member] Roth Warrant [Member]	Dec. 31, 2013 Registration Payment Arrangement By Arrangement [Member]
Sale Of Stock [Line Items]
Proceeds from Issuance of Convertible Preferred Stock													$ 18,000,000
Changes in aggregate value of common stock issued and outstanding		10,000				10,000
Number of common shares outstanding				10,000,000	10,521,887		9,078,287																					10,000,000	770,083
Common stock, number of shares issued after Reverse Split		9,496,753																												312,500	24,093	105,000
Common stock, shares issued					11,352,812		9,909,212																									3,360,000
Number of preferred stock converted																		113,961
Preferred stock conversion price per share		$ 12.00	$ 12.00		$ 12.00
Additional paid in capital		9,700,000	9,700,000		57,308,000		10,862,000
Amount of preferred stock converted into common stock					1,000			10,000
Common stock, shares authorized					50,000,000		50,000,000
Common stock exercise price					$ 0.001		$ 0.001																$ 13.00
Common stock, shares outstanding					10,521,887		9,078,278
Public offering shares																											2,005,000
Underwritten public offering Price per share																					$ 75.10	$ 16.18					$ 35.00
Shares sold through Public offering																											1,050,000
Share sold by stockholders through public offering																											955,000
Proceeds to the company from Public offering					36,750,000																						34,530,000
Public offering expense																											514,000
Shares issued withheld to satisfy income tax obligation											42,314
Shares issued withheld to satisfy income tax obligation, Value					2,063,000						2,063,000
Common stock new issued to meet Stock appreciation right exercise											96,504
Grantee exercised Stock appreciation right											181,291
Income tax benefit realized in connection with exercise of stock appreciation right					1,642,000							1,642,000
Convertible preferred stock authorizes					114,000		114,000							114,000
Convertible preferred stock, par value per share					$ 0.001		$ 0.001							$ 0.001
Convertible preferred stock issued					0		0							0	0
Convertible preferred stock outstanding					0		0							0	0
Private Placement proceeds allocated to preferred stock and Private Placement Warrants				18,000,000
Common equity value as adjusted for the Reverse Split				$ 10.08
Number of converted shares of preferred stock issued in private placement				1,500,009
Price per warrant				$ 3.85
Shares of common stock issuable upon exercise of the private placement warrant																							750,002
Preferred equity value				9,700,000
Value assigned to the company preferred stock																										15,100,000
Warrants expiry date																Apr. 29, 2016					Apr. 29, 2016
Aggregate sale of shares				18,000
Estimated fair value				2,887,000
Volatility factor	55.00%																			50.00%	42.50%	45.00%
Risk-free interest rate																				2.10%
Dividend yield					0.00%															0.00%
Private placement warrants term																					5 years
Exercise price per share																13.20					13.00	13.00
Shares issued for warrants exercised																							339,410	13,750	0
Common stock reserved for the exercise of the Private Placement Warrants																							396,842	736,252
Adjusted shares of common stock										105,000							62,116
Estimated fair value of the Roth Warrant				400,000
Share price for warrant issuable				$ 3.80
Warrant shares issuable					42,884
Common stock repurchased by the company, shares					830,925,000		830,925,000												830,925
Common stock repurchased by the company, value					4,250,000		4,250,000												4,250,000
Common stock repurchased by the company, per share value																			$ 5.11
Transaction costs incurred in connection with the Reverse Recapitalization and the Private Placement consist of cash costs					5,700,000
Allocated equity					4,900,000
Costs allocated to the Private Placement Warrants					800,000
Costs for filing registration statements									600,000
Filing registration, condition for suspension, description																																	(which period may not be for more than 20 consecutive days or for a total of more than 45 days in any 12-month period)
Payment to investors					1.50%																												1.50%
Liquidated damages																																	$ 300,000