Consolidated Balance Sheets (Parentheticals) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Current Assets:
Allowance for doubtful accounts	$ 21,700	$ 7,000
Unamortized debt discount, current	0	0
Unamortized Deferred financing costs associated with term loan	575	575
Unamortized Deferred financing costs associated with term loan	$ 1,534	$ 1,811
Stockholders' Equity:
Preferred stock, par value (per share)	$ 0.1	$ 0.1
Preferred stock, shares authorized	500,000	500,000
Preferred stock, shares issued	0	0
Preferred stock, shares outstanding	0	0
Series Y Preferred Stock, Par or Stated Value Per Share	$ 0.10	$ 0.00
Series Y Preferred Stock, Shares Authorized	350,000	0.00
Series Y Preferred Stock, Shares Issued	0.00	0.00
Series Y Preferred Stock, Shares Outstanding	0.00	0.00
Common stock, par value (per share)	$ 0.1	$ 0.1
Common stock, shares authorized	220,000,000	120,000,000
Common stock, shares issued	30,492,044	30,567,725
Common stock, shares outstanding	30,492,044	30,567,725
Treasury stock, shares	0	0