XML 84 R60.htm IDEA: XBRL DOCUMENT v3.19.1
Income Taxes - Deferred Income Tax Assets and Liabilities (Detail) - USD ($)
Dec. 31, 2018
Dec. 31, 2017
Deferred tax assets:    
Net operating loss carryforwards $ 4,924,181 $ 4,584,606
Capitalization of patent costs, goodwill and amortization 247,239 221,593
Capitalization of acquisition costs 81,088 84,640
Research and AMT credits 2,074,363 1,447,479
Stock based compensation 326,755 82,085
Deferred lease obligation 63,946 91,017
Accrued bonuses 198,102  
Other timing differences 60,773 72,787
Deferred Tax Assets, Gross 7,976,447 6,584,207
Less valuation allowance (7,658,670) (6,453,466)
Total deferred tax assets, net of allowance 317,777 130,741
Deferred tax liabilities:    
Fixed assets (192,673) (104,324)
Goodwill (162,681) (34,388)
Total deferred tax liabilities (355,354) (138,712)
Total deferred tax liabilities $ (37,577) $ (7,971)