Annual report pursuant to Section 13 and 15(d)

Income taxes - Reconciliation of Federal Statutory Income Tax Provision to Company's Actual Provision (Details)

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Income taxes - Reconciliation of Federal Statutory Income Tax Provision to Company's Actual Provision (Details) - USD ($)
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Income Tax Disclosure [Line Items]    
Federal statutory income tax rate (percent) 21.00%  
Pre-tax book income $ (5,768,378) $ 97,696
Income tax provision 32,748 0
Income Tax Provision    
Income Tax Disclosure [Line Items]    
Pre-tax book income   97,697
Expected tax at 34% (1,211,359) 33,217
Machinery & equipment 4,658 10,888
Mark to market 24,798 0
Goodwill impairment 922,024 0
Intangible Amortization (180,780) 0
Stock compensation 0 (179,084)
Non-deductible interest 0 10,788
Other 876 26
Current 32,748 0
Deferred (120,477) (24,960)
Federal research and development credits (35,550) (33,406)
Change in valuation allowance (153,000) 277,000
Deferred tax past year true-up's (99,348) 191,355
ADGE deferred tax assets and liabilities at purchase 0 (3,702,013)
ADGE other post-closing adjustments 0 (1,330,665)
Change in statutory tax rate for deferred tax assets-Federal 0 4,914,329
Change in statutory tax rate for deferred tax assets-State 0 (167,475)
True up - ADG NOL IRC Sec 382 limitation 817,198 0
Other 30,960 0
Income tax provision $ 32,748 $ 0