Notes and Advances Payable (Detail) - USD ($)	Jun. 30, 2015	Dec. 31, 2014
Notes Payable [Line Items]
Current portion of officers, directors, and affiliates	$ 288,567	$ 288,258
Long-term portion of officers, directors, and affiliates	53,573	62,440
Less: Current portion of unrelated parties	932,400	872,239
Long-term portion of unrelated parties	59,662	63,534
Officers Directors And Affiliates [Member]
Notes Payable [Line Items]
Notes payable, related parties	1,134,291	1,142,849
Current portion of officers, directors, and affiliates	288,567	288,258
Long-term portion of officers, directors, and affiliates	845,724	854,591
Unrelated Parties [Member]
Notes Payable [Line Items]
Notes and advances payable, unrelated parties	992,061	935,773
Less: Current portion of unrelated parties	932,400	872,239
Long-term portion of unrelated parties	59,661	63,534
Note Payable Interest At Seven Point Five Percent Due March Twenty Sixteen [Member] | Officers Directors And Affiliates [Member]
Notes Payable [Line Items]
Notes payable, related parties	150,000	150,000
Note Payable Interest At Seven Point Five Percent Due March Twenty Sixteen [Member] | Unrelated Parties [Member]
Notes Payable [Line Items]
Notes and advances payable, unrelated parties	100,000	100,000
Note Payable Interest At Seven Point Zero Percent Due January Twenty Seventeen [Member] | Officers Directors And Affiliates [Member]
Notes Payable [Line Items]
Notes payable, related parties	71,412	79,970
Note Payable Interest At Seven Point Zero Percent Due January Twenty Seventeen [Member] | Unrelated Parties [Member]
Notes Payable [Line Items]
Notes and advances payable, unrelated parties	37,956	41,668
Note Payable Interest at Varies Rate [Member] | Officers Directors And Affiliates [Member]
Notes Payable [Line Items]
Notes payable, related parties	792,151	792,151
Note Payable Interest at Varies Rate [Member] | Unrelated Parties [Member]
Notes Payable [Line Items]
Notes and advances payable, unrelated parties	609,105	549,105
Collateralized Note Payable | Officers Directors And Affiliates [Member]
Notes Payable [Line Items]
Notes payable, related parties	120,728	120,728
Note Payable Interest At Seven Point Zero Percent Due August Twenty Sixteen [Member] | Unrelated Parties [Member]
Notes Payable [Line Items]
Notes and advances payable, unrelated parties	62,000	62,000
Note Payable Interest At Seven Point Zero Percent Due August Twenty Fifteen [Member] | Unrelated Parties [Member]
Notes Payable [Line Items]
Notes and advances payable, unrelated parties	$ 183,000	$ 183,000