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DEBT - Notes Payable (Details) - USD ($) $ in Thousands			3 Months Ended	14 Months Ended
	Apr. 07, 2018	May 24, 2016	Mar. 31, 2019	Apr. 07, 2018	Feb. 02, 2017	Dec. 31, 2016	Apr. 07, 2011
Promissory note with Woodhaven Bank
Notes Payable
Face amount							$ 4,830
Interest rate	4.25%			4.25%	3.85%
Frequency of periodic payment	monthly
Principal and interest payments	$ 30
Interest expense			$ 38
Promissory note with Woodhaven Bank | Prime Rate
Notes Payable
Spread rate				0.60%
Promissory note with Eagle One LLC
Notes Payable
Face amount		$ 515
Interest rate		6.00%
Frequency of periodic payment		monthly
Principal and interest payments		$ 6
Interest expense			$ 1
PILOT Agreement
Notes Payable
Maximum borrowing capacity						$ 10,000
Interest rate						6.00%

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