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Accrued Expenses and Other Liabilities
9 Months Ended
Sep. 30, 2018
Other Liabilities Disclosure [Abstract]  
Accrued Expenses and Other Liabilities
Accrued Expenses and Other Liabilities

Accrued expenses and other liabilities consisted of the following (in thousands):
 
September 30, 2018
 
December 31, 2017
Accrued compensation costs
$
258

 
$
129

Other accrued expenses
145

 
257

Accrued dividends
68

 
59

Deferred revenue
49

 
393

Super G Warrant liability

 
165

Accrued expenses and other liabilities
$
520

 
$
1,003