Quarterly report pursuant to Section 13 or 15(d)

Description of Business and Basis of Presentation - Additional Information (Detail)

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Description of Business and Basis of Presentation - Additional Information (Detail) (USD $)
 1 Months Ended 3 Months Ended 0 Months Ended 1 Months Ended
Feb. 28, 2014
Mar. 31, 2014
Agreement
Mar. 04, 2014
Jan. 17, 2014
Dec. 31, 2013
Mar. 31, 2013
Dec. 31, 2012
Apr. 10, 2014
Subsequent Event
May 05, 2014
Subsequent Event
Basis Of Presentation [Line Items]                  
Working capital   $ 4,600,000              
Cash and cash equivalents   1,835,000     1,440,000 1,229,000 2,543,000    
Net accounts receivable   8,556,000     11,127,000        
Lines of credit remaining borrowing capacity   2,100,000              
Number revolving credit facility agreements   2              
Line of credit maximum borrowing capacity     5,000,000         4,000,000  
Line of credit facility, expiration date   May 01, 2014             Jun. 01, 2014
Revolving lines of credit fee paid   10,000           10,000 10,000
Common stock shares issued   1,945,525              
Common stock issued, price per share   $ 2.57              
Proceeds from equity offering, gross   5,000,000              
Payments of stock issuance costs   208,000              
Proceeds from equity offering, net of expenses   4,793,000              
Annualized reduction in payroll and payroll related expenses (1,300,000)                
Maximum stock offering price       $ 12,500,000