Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019
Cash Flows From Operating Activities:
Net (loss) earnings	$ (3,274)	$ 4,434
Adjustments to reconcile net earnings (loss) to cash used in operating activities:
Gain on building sale		(7,175)
Stock based compensation expense	211	317
Depreciation	68	91
Amortization	108	101
Recovery of bad debt expense		(4)
Amortization of deferred loan costs	30	73
Non cash interest expense	23	1
Amortization of right of use assets	377	181
Equity based directors' fees and other non cash compensation		55
Changes in operating assets and liabilities:
Accounts receivable	193	(436)
Inventories	1,277	(1,302)
Prepaid and other current assets	(350)	(46)
Other assets	66	(780)
Change in lease liability	(375)	(229)
Accounts payable, accrued compensation and other accrued expenses	(383)	344
Net cash used in operating activities	(2,029)	(4,375)
Cash Flows From Investing Activities:
Purchases of property and equipment	(130)	(57)
Proceeds on sale of building		9,765
Acquisition of licenses	(20)	(21)
Net cash (used in) provided by investing activities	(150)	9,687
Cash Flows From Financing Activities:
Net repayments of line of credit	(579)	(2,603)
Proceeds from long-term debt	1,769
Proceeds from subordinated convertible debt	900
Repayments of long-term debt	(18)	(3,063)
Proceeds from exercise of stock options		7
Net cash provided by (used in) financing activities	2,072	(5,659)
Net decrease in cash	(107)	(347)
Cash, beginning of period	572	559
Cash, end of period	465	212
Supplemental Cash Flow Information:
Cash paid for interest	107	86
Non cash investing and financing activities:
Capital expenditures financed by notes payable	3	5
Conversion of subordinated convertible debt to common stock		140
Right of uses assets obtained by lease obligations		$ 3,917